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MERCURY WHEEL BAROMETERS
STICK AND FORTIN BAROMETERS
BANJO ANEROID BAROMETERS
POCKET ANEROID BAROMETERS / ALTIMETERS / DESK BAROMETERS AND ODD ITEMS
MERCURY WHEEL BAROMETERS
A flame veneered mahogany wheel barometer with swan neck pediment circa 1840, a replacement old boxed long thermometer with convex glass with spirit filled tube. The 8 inch dial with well engraved centre star motif, a setting knob below and a level plate inset at the base. The case edged with black stringing. The shouldered case with flat base re-polished. 40” x 9 7/8”
A traditional mahogany veneered mercury wheel barometer with black & white strung edges with swan neck pediment, hygrometer, short thermometer with spirit filled tube, convex mirror, readed frame, 8” dial, level plate inscribed ‘Warranted Correct’. Hygrometer, level plate, bone setting knob, mirror and frame replaced and replacement mercury filled tube. Generally restored and in good order throughout. The case in original polish showing some signs of age in a rich mahogany colour, slight age cracking to top and much tapping below setting knob, c1850 and measuring: 10” x 38” please e-mail or phone us for price and delivery options
A simple Georgian mahogany wheel barometer with black & white stringing and one oval urn inlay to case, broken architectural pediment, long spirit filled thermometer, dial engraved ‘Lione & Somalvico, 14 Brook Street, Holborn, London’, replacement finial & tube, c1811 measuring: 38 ¾” x 10” please e-mail or phone us for price and delivery options
A mahogany veneered black & white strung mercury wheel barometer with swan neck pediment, hygrometer, mercury filled thermometer, convex mirror and beaded frame, 8” dial, and level plate inscribed ‘Warranted Correct’. A traditional pleasant barometer, un-attributed but dating c1845. Brass cleaned & lacquered with a traditional lacquer used on early instruments (this mixture we prepare specially from an old recipe which includes natural tree gums, saffron and dragons blood!) dials re-silvered, replacement finial, mirror and frame and replacement tube. Measuring: 38 ½” x 10 1/8” please e-mail or phone us for price and delivery options
A 10” dial rosewood wheel barometer ornately inlaid with mother of pearl abalone shell and wire, possibly of an Indian influence of floral, leaf & bird design, case mounted with bow front thermometer with flat bulb mercury filled tube, Fahrenheit & Remeur scales, the dial engraved ‘W Johnson, 34 Hatton Garden’ with floral centre engraving and finely pierced hands, adjusting key in mother of pearl & brass work cleaned and lacquered, dials re-silvered, replacement tube, case in original polish with minor repairs to inlay. W Johnson was working between 1830 – 1867 in London and at this address between 1841 & 1867. He was in partnership with Cuthbert Blackbourn and the name of Johnson & Blackbourn from 1847 – 1848. This barometer is quite likely is just prior to 1847. The case, which we have come across before this design, almost certainly made in the same workshop as we have handled a number over the years with different names on the dials. Mrs Ann Johnson, presumably the widow, took over the business around 1865 until 1876, reference ‘Barometer Makers & Retailers 1660-1900’ Edwin Banfield. A very decorative Victorian barometer measuring: 42” x 13” please e-mail or phone us for price and delivery options
A rather nice Mahogany wheel barometer circa 1825 with architectural pediment spirit filled thermometer on hand engraved scale, hygrometer (replaced dial) mounted under thermometer (an early design) an 8 inch dial inscribed B.Giobbi Devizes. Setting knob below dial and inlaid flower to base of barometer. This seems to be a transitional design from the shell inlaid early designs to the later ones with hygrometer under the pediment and level ring at the base. The case re-polished sympathetically and edged with boxwood stringing. Brass cleaned but retaining its age, lacquered in a traditional instrument lacquer made by us. A replacement mercury filled tube in the back. All in all a good piece 38 ¾” x 10 ½”
&white strung edge by John Schalfino of Taunton with broken architectural pediment, long spirit filled thermometer and dial engraved with Masonic emblems square & compass with large G in between, Schalfino is known to have made a number of barometers, all engraved with Masonic emblems. This barometer dating probably around 1820. One of four or so makers in Taunton. This example is particularly attractive, the polish & patination of the veneer being a dark mahogany finish. please e-mail or phone us for price and delivery options
A pleasant brown colour rosewood mid Victorian mercury wheel barometer, finely inlaid with Mother of Pearl having a swan neck pediment, ivory finial, hygrometer, mercury thermometer with bowed glass, 8” silvered dial, level plate inscribed ‘Griffin & Hyams, Cornhill’. The Mother of Pearl being a “positive” cut depicting leaves, foliage & a bird above dial, a nice example of this style. The whole in good order throughout with replacement mercury tube, replacement set key & finial, dial re-silvered and brass re-lacquered with a traditional lacquer used on early instruments (this mixture we prepare specially from an old recipe which includes natural tree gums, saffron and dragons blood!) reference ‘Barometer Makers & Retailers 1660-1900’ Edwin Banfield Griffin & Hyams estimated to be working at this address between 1830-50.
A rosewood mercury wheel barometer with Mother of Pearl abalone and wire inlaid case, 8” dial inscribed ‘Ciceri & Co. London’ with long mercury filled thermometer above and brass setting key below. Dial with star burst centre cartouche, divided from 28” – 31” of mercury. Known to have had business in Edinburgh, carvers & gilders possibly Ciceri & Pini but several variations are recorded, c1875 measuring: 38” x 10 ¾” x 2” deep
A traditional mahogany veneered mercury wheel barometer with black and white stringing to edge of case, swan neck pediment, brass finial hygrometer, thermometer with spirit filled tube(replaced in our workshop), convex mirror with ebonised beaded frame (both replaced by us), 8” dial, setting knob (replaced) and level plate inscribed ‘J Borelli, Basingstoke’. Generally restored and in good order throughout, with replacement mercury filled tube. The case cleaned and re-polished to enhance the wood but maintain some age to the sides. A splendid colour and pattern to the veneer. J Borelli estimated to be working at this address 1835 – 55, reference ‘Barometer Makers & Retailers 1660-1900’ by Edwin Banfield. Measuring: 38 ¼” x 10”
Traditional 8” dial mahogany wheel barometer with hygrometer and level plate inscribed ‘L Poncia of Gloucester’ with architectural pediment surmounted with brass finial, main dial, adjusting key beneath, long spirit filled thermometer, inlaid shells on either side & black & white strung case in good medium mahogany colour. The whole restored in our workshop and in good order throughout. Replacement finial, setting knob & mercury fitted tube, circa 1825 measuring: 39” x 10 ½”
A traditional mahogany veneered mercury wheel barometer with architectural pediment, brass finial and shell, flower and fan inlays, long spirit filled thermometer and 8” dial engraved ‘W. Squirrell, Bildeston’ and repairers inscription written in pencil under dial ‘Josh Somalvico & Co, 11 Charles Street, Hatton Gardens, London 1897’. Generally restored and in good working order throughout with replacement mercury filled tube. William Squirrell is estimated to be working 1810 – 30 at this address, reference ‘Barometer Makers & Retailers 1660-1900’ by Edwin Banfield. Measuring: 38” x 9 ¾”
A large mahogany wheel barometer with broad black & stringing to edge, swan neck pediment, twin pateraes (replaced), brass pineapple finial (replaced), hygrometer (replaced), long spirit filled thermometer, 10” silvered dial with interesting fretted hand, scales re-silvered, with replacement mercury tube, setting knob & level ring, level plate inscribed ‘J Silva, Plymouth’. J Silve, 9 East Street, Plymouth estimated to be working from 1820-40, reference ‘Barometer Makers & Retailers 1660-1900’ by Edwin Banfield. C1825 Measuring: 42 ½” x 12 ½”£
STICK AND FORTIN BAROMETERS [top]
A medium brown oak cased Admiral FitzRoy barometer with fleur de leys decorative carved top to case, paper scales faded to a mellow brown colour with a pear drop shaped thermometer., engraved ivory scale Ramsey, Dundee, replacement mercury filled tube, atmospheric scale and twin indicators and setting knobs. C1890Measuring: 45 ¾” x 9 ¼”
Ref 1851 SPECIAL MOUNTAIN BAROMETER
An extremely rare mahogany cased mountain mercury barometer by Thomas Rubergall of Coventry Street LONDON circa 1820. The barometer is divided from 23.3 inches of mercury to 32 inches. The barometer supported on a gimbal held within the tripod stand. The whole folds down to carry within the three legs of the tripod. There is a thermometer inlaid into the stem (replaced) The whole has undergone skilled restoration. It is in working order although there is no vernier. At the time of restoration much research was carried out but no similar barometer is known of by this maker. It is probably unique and would make an exceptional piece for a mountaineering collector or a barometer enthusiast. (Price On application) Delivery world wide by arrangement
A decoratively carved oak cased FitzRoy storm barometer by Negretti & Zambra of London with flashed opal glass scales with red & black lettering, twin vernier operated by two turned oak adjusting knobs and long mercury filled thermometer in Fahrenheit & Centigrade below, c1890. Perhaps a little fussy for some tastes this represenst one of the high quality designs of this type of storm barometer made so popular by Admiral FitzRoy. The golden colour of teh case exceptonal good. Illustrated on page 68 of ‘FitzRoy and his barometers’, by Philip R Collins. Measuring: 6 5/8” wide x 42” tall
A fine brass mounted stick barometer circa 1820 by Dolland of London. The extended head with hygrometer under swan neck pediment, brass door to register scales and thermometer. please e-mail or phone us for price and delivery options
A simple stick barometer by Elliot Bros, 449 Strand, London with oak case, visible tube, turned cistern cover and an unusual ceramic scale, the indicator sliding on the tube, the back of the ceramic scale with design registration ‘18th December 1863’. Elliot Bros were known to be working between 1853 – 1900 as optical & electrical Instrument Makers in London, see ‘Barometer Makers and Retailers 1660-1900’ by Edwin Banfield. Measuring 2 ¾” wide x 36” tall please e-mail or phone us for price and delivery options
A very provincial almost rustic mercury stick barometer, by B Gillardoni of Exeter. Known to be working 1816 as a Jeweller at Fore Street Exeter. This would date from around that period. The trunk veneered herringbone fashion in mahogany and inlaid with boxwood stringing as is the glazed door. The turned mahogany cistern cover (with repairs) pleasantly aged, The circular case on which it sits was fitted upside down by the case maker, evident by the stringing At the top not the base! The curious semi circular pediment perfectly original sat on a triple bead moulded base. Only the 2nd one I have seen of this design in many years dealing.. It retains an old wire hanging loop and the glass has ripples in it. The case in good colour, the scale re-silvered, a replacement thermometer and mercury filled tube. In good order.
We have often been asked for an antique barometer to suit an old country cottage/farmhouse and this certainly is one that would fit very well to that requirement. Simple but pleasant and honest.
36 ¾” x 4 ¾”
A classic example of an Admiral FitzRoy barometer, the wide full glazed mid golden brown case surmounted with carved leaf and shield design. The decorative gothic paper scales in good order, mounted with a boxwood scaled mercury thermometer and a storm glass on a paper chart of the atmosphere picturing the position of the highest balloon ascent. It has the patented transport device. Fitted with a new bespoke mercury filled tube to suit, the brass cleaned and lacquered a mellow gold colour, a pair of replacement adjustment knobs for the twin recording arms. 47” x 10 ¼” c 1900
BANJO ANEROID BAROMETERS [top]
An ornately carved, large aneroid barometer, with coat of arms, floral and scroll decoration in medium dark oak finish with thermometer mounted above (replaced), thermometer box surmounted by carved eagle replaced) with ceramic scales. Originally by Benetfink & Co. of Cheapside, London. The case in good order throughout and measuring 42” x 12” please e-mail or phone us for price and delivery options
A mahogany aneroid banjo barometer with shaped case, rounded style architectural pediment surmounted with carving, inlaid with coloured woods and ivory of flowers & leaf design with 8” white glass dial and ceramic thermometer scale in red & black, dating c1910. In good order throughout measuring: 34” x 13” please e-mail or phone us for price and delivery options
A dark cased carved banjo aneroid barometer with mercury filled thermometer and dial inscribed ‘Dolland, London. No. 6937’ The whole in good working order throughout, measuring: 34 ½” x 10”
A dark oak cased carved banjo aneroid barometer with white glass scales, mercury filled thermometer. The whole cleaned & in good working order throughout measuring: 34 ½” x 10”
An oak cased banjo aneroid barometer with 8” dial and decorative spiral mercury thermometer. A simple carved case of square format with incised decoration ad C scrolls with metal dials, and engraved silvered presentation plaque below dial reading: ‘Presented to Mr C.L.E. Stewart by the staff and employees of the Elec. Engrs Dept Rochdale on his appointment as Electrical Engineer 8 January 1909’. The whole cleaned and overhauled, measuring: 35 ¾” x 11 ¾”
Carved oak aneroid banjo barometer with mercury thermometer above white glass 5” dial inscribed ‘George Prescott & Co. 52 Queen Street, Glasgow, case a golden oak colour, cleaned and overhauled. George Prescott known to be working c1896 Optician & Instrument maker in Dublin & Edinburgh, this may be a later branch in Glasgow, reference ‘Barometer Makers & Retailers 1660-1900’ Edwin Banfield. Measuring: 25 ½” x 7”
Ref::2564 Round topped oak aneroid barometer with shell and flower carving top and bottom, mercury thermometer, 6” dial divided from 28 – 31” of mercury with English weather words, inscribed ‘Negretti & Zambra, London R/16000’ measuring: 30”x 9 ¼”
ROUND ANEROID BAROMETERS [top]
4 ¾” dial brass round aneroid of high quality by J S Marratt 63 King William Street, London Bridge dating c1845-1851. Reference: Directory of Scientific Instrument Makers 1550-1851 by Gloria Clifton. The brass case with brass hanging ring (replaced), cleaned and re-lacquered with a traditional lacquer used on early instruments (this mixture we prepare specially from an old recipe which includes natural tree gums, saffron and dragons blood!) of simple form with finely detailed enamel dial with associated carved figured oak stand, total size 12” x 8 ¼” high x 3 ¼” deep A nice quality item, unusual to find with original stand, of very good condition, typical Victorian barometers for a desk, mantle piece or table etc.
A 5 ½” diameter brass cased Bourdon barometer, instrument number 25224 with reverse printed glass dial of traditional design, the trade mark S L either side of a three branched candelabra marked on the dial. The outer case cleaned and re-lacquered with a traditional lacquer used on early instruments (this mixture we prepare specially from an old recipe which includes natural tree gums, saffron and dragons blood!) the whole in good working order, dating c1900. This curious alternative to the Vidi aneroid movement is a good example, complete with key (replacement) for altitude setting. See Aneroid Barometers and their Restoration, chapter 10 page 184 concerning Bourdon barometers. please e-mail or phone us for price and delivery options
A 6” brass dial aneroid barometer probably by Taylor Instruments (Short & Mason) in a large octagonal oak case showing medallary rays on the large bevels. The case approximately 13” across the flats with original suppliers label ‘ACME Barometers number 110’ to reverse, circa 1930’s, please e-mail or phone us for price and delivery options
An oak mounted round aneroid barometer in medium brown colour, measuring 10” diameter. The silver etched dial 4 7/8” diameter. Cleaned & in good order throughout, c1930
A round cast iron cased aneroid barometer with 5” painted dial divided from 26 inches to 31 inches of mercury with unusual weather words of ‘Stormy’, ‘Unsettled’ and ‘Fair weather’ in addition to FitzRoy’s words. Dial inscribed ‘Universal Barometer, For the use of Mariners Agriculturists Horticulturists’. Cast iron screw fixings top and bottom. This barometer is illustrated in Edwin Banfield’s book ‘Barometers Aneroid and Barographs’, Page 53, figure 38. This item was intended for use aboard ship, in farm buildings and greenhouses. The whole in good order throughout and measuring: 6 ¼” diameter x 2 ¼” deep
A round Brass aneroid by E.J.Dent number 21856. These are the earliest of aneroid barometers E.J.Dent died in1852 so this early 1850’s see ‘Aneroid Barometers and their Restoration’ for history and development of the aneroids from this model onwards. The dial of silvered engraved brass divided 27.5 to 31.5 a smaller expansion range than later aneroids – with curved spirit thermometer in Fahrenheit Dial engraved E.J.Dent Paris. Case in fair condition, some marks bevelled edged glass old with some scratches etc. hand and knob look like they may have been changed at some point, in working order. A great collectors piece and hard to find these days
A mining aneroid barometer in heavy brass case with bevel edged glass, revolving vernier scale and magnifying lens with a temperature compensated movement. The dial measuring approximately 4 3/8” diameter divided from 27 – 33 inches of pressure & 2000 feet above sea level to 4000 feet below sea level. The case cleaned & re-lacquered with a traditional lacquer used on early instruments (this mixture we prepare specially from an old recipe which includes natural tree gums, saffron and dragons blood!) and in good condition throughout, dating circa early 20th Century. In 1872 the Mines (Coal) Regulations Act of Parliament was passed making the use of a barometer compulsory. The following Section 26 was included: “After dangerous gas has been found in any mine, a barometer and thermometer shall be placed above ground in a conspicuous position near the entrance to the mine.
A round black metal cased aneroid barometer with 5 “ dial divided from 26 inches to 31 inches of mercury, black & red lettering & numbers, dial inscribed Fisherman’s Aneroid Barometer Issued by the Royal National Life Boat Institution No. 3641Dolland, London. Brass screw fixings top and bottom, the whole in good order, measuring: 6 1” diameter x 2 ½”deep
An oak cased round aneroid barometer with 4 ½” white glass dial inscribed ‘CSSA Ltd London W.C. Patent Rapid Indicating Aneroid Barometer’. Measuring: 8 3/16” x3” deep
Strange for us we have sold most of our old barographs! we will be buying
more so watch this space or call us and add your name to our wants list
for well restored good quality used barographs
A rare pocket barograph in original mahogany case. Clock work serviced and in good working order, pressure needle responds to pressure changes, the leather cover in remarkably good virtually new condition. The Wood case measures approx. 7 1/8” x5 5/8” x 2 ¼ “ thick. The hinged compartment reveals some charts, the key to wind and adjust pressure setting, and the original (empty) bottle of ink. Although working this is a collectors piece for its scarcity and great condition. The item has a bevelled glass viewing panel, may have been used for balloon ascent recording or mountaineering/surveying etc. The clock work movement and the barograph mechanism shows high quality workmanship. French made item. For similar see pages 105 – 108 of ‘Barographs’ by Philip R Collins ISBN 0-948382-12-0
A light medium oak coloured barograph by Negretti & Zambra, late 1960’s with a Regency jewelled movement. Registration number R/36140. The case in original polish with 5 bevel edged glass panels with brass beneath with charts with wooden knob, the case also shows some small signs of age, the brass mechanism stripped and re-lacquered. In good working order through out, measuring: 16 ½” wide x 9 ¼” deep x 8 5/16” high
we have a few others awaiting restoration.
POCKET ANEROID BAROMETERS/ALTIMETERS/DESK
An aluminium cased aneroid barometer by Negretti and Zambra instrument number 3838 circa 1890 3 1/8” diameter 1 1/8” thick with bevel edged glass in rotating bezel, hanging ring and pillar replaced. Dial divided from 12 inches to 31 inches – probably design for mountaineering – Aluminium was a new metal in Victorian times, its lightness useful to reduce loads in transit etc.
A 1 13/16" diameter pocket barometer in gilded brass case. The gilding dulled but generally in fair condition. The dial in enamel divided from 25 inches to 31 inches with tradiutional weather words. No maker or retailers name. A simple plain pocket unusually with enamel dial, please e-mail or phone us for price and delivery options
An ornately carved oak cased aneroid table / desk barometer, silvered dial with red and black lettering, large curved mercury filled thermometer and engraved ‘JAs Ritkin, Maker, London. Presented by a Patient’. The case with carved wooden finials either side of dial, leaf carvings to top and base measuring: 16 ½” tall x 21” side
A Bourdon tube table/desk barometer with a carved dark oak stand. Barometer inscribed ‘Wood Opticians, 74 Cheapside, London’, 4¾” engraved silvered dial with English weather words, divided 28 – 31 inches with bevel edged glass, no setting hole, brass case re-lacquered and the whole in good order throughout. The barometer working well (unusual for Bourdon tubes). Measuring: dial 4 ¾”, case 2 1/16”, the whole including stand: 9 ¼” wide x 7 ¼” high x 2 ½” deep Edward George Wood was known to be working at this address between 1862-98, reference ‘Barometer Makers and Retailers 1660 - 1900’ Edwin Banfield.
A 1 7/8” diameter pocket barometer with polished brass case, lacquered, and silvered scale and revolving altimeter scale, divided 0 to 8,000 feet. A simple pocket barometer, the dial in reasonable condition, slight mark to centre. By A Franks Ltd Manchester. please e-mail or phone us for price and delivery options
A 2 ¾” diameter brass aneroid barometer by Negretti & Zambra, number 21164, compensated. Incorporating the white side – Cooks sea level aneroid, patent number 14424; in original gold-plated brass case, in good condition but with signs of wear, and associated leather covered case, in distressed condition but intact. This unusual aneroid barometer has facility by turning the knurled knob at the top, whilst holding the top of the barometer, to adjust for sea level reading, from 0 – 20,000 feet. The engineering concept of this is not great and internally the gear had been changed previously. After some restoration we have now restored this to a fully working condition. An unusual and quite rare collector’s piece. please e-mail or phone us for price and delivery options
1 15/16” diameter gilded brass cased pocket barometer with revolving altitude scale calibrated zero to 8,000 feet and semi-circular thermometer, dial inscribed ‘compensated for temperature, Short & Mason London made for A & N. C. S. Ltd Westminster’ in associated shaped leather covered case, in fair condition some marks to dial, case showing slight signs of wear, please e-mail or phone us for price and delivery options
1 15/16” diameter gilded pocket barometer with enamelled dial, 25 – 35 inches with normal weather words ‘Stormy to Very Dry’ with revolving indicator ring. The case with two small dents on the back, in generally good order but signs of wear SOLD
An oval leather cased pocket barometer compass & thermometer compendium, the case opening and with an easel stand at the back for display, covered internally with green velvet, faded but in good condition. The 1 7/8” diameter gilded brass cased pocket barometer inscribed ‘J N Pelli from R.A.P. 22nd January 1924, the revolving altitude scale calibrated zero to 10,000 feet and the dial marked ‘Compensated A & N.C.S. Ltd, Westminster’ in fair condition showing some moderate signs of corrosion to revolving bezel, hanging ring & knob. The ivorine thermometer scale with white backed mercury glass thermometer and compass on left with paper dial, please e-mail or phone us for price and delivery options
An interesting aluminium cased pocket barometer with winder top to adjust altitude scale divided from zero to 10,000 feet, by Dolland of London, compensated. The dial with minor marks but in good condition, aluminium showing signs of use on the back. Circa 1885, the use of aluminium in this period was due to its lightness particularly for mountaineering etc. First of this type I have actually seen although you do get larger more professional mountaineering type barometers, which were specially developed and made from aluminium for their lightness. please e-mail or phone us for price and delivery options
2” diameter brass aneroid barometer by Dolland, London No. 6995 with silvered dial divided 23 to 51 inches of mercury with revolving altitude scale divided from zero to 10,000 feet. Whole in good condition but with signs of wear complete with associated leather covered case also showing signs of wear. £295
A 1 7/8” diameter polished brass pocket barometer with revolving altimeter scale, divided 0 to 10,000 feet and dial divided from 21 inches to 31 inches of mercury, with associated leather case with blue silk trimming to lid. A simple pocket barometer.
A 2” diameter polished brass pocket barometer with revolving altimeter scale, divided 0 to 10,000 feet and dial divided from 21 inches to 31 inches of mercury. Dial inscribed ‘Compensated’
We are always changing our aneroid barometer stock quicker than we can update these pages! so do enquireTHE ABOVE ARE SOLD FULLY GUARANTEED HAVING HAD NECESSARY REPAIRS, CLEANING AND OVERHAULING CARRIED OUT IN OUR OWN WORKSHOP. OTHER ANTIQUES ALWAYS AVAILABLE - PLEASE ENQUIRE Photographs can be provided upon request
ODD ITEMS for SALE - non Barometer things
OK so we have all done it, found an instrument or antique item curious and could not refuse the temptation to buy it or barter for it! well our director is no exception, he just loves well made items and although he has tried to curb his indulgences he still does have more items than anyone practically needs around the place, so if we have time here will be some items that fellow collectors might be interested in.
19th Century Tibetan “Chukmuk” fire steel with pouch for flint & tinder with studded leather strap. No matches in ancient times - you carried your firesteel to make fire with. This is a highly decorated example which came our way. We honestly have little knowledge of these items but find them fascinating.
19th Century Tibetan “Chukmuk” fire steel with pouch for flint & tinder with freted and engraved mounts - probably needs polishing to make look good but without knowledge of these items we leave that o the collector to decide.
An unusual twin thermometer in morocco covered hinged case; the twin scale with twin mercury round bulb thermometers individually engraved for Fahrenheit inscribed ‘Bennett, Watchmaker 65 Cheapside Maker to the Royal Observatory 102’. The 102 probably represents the instrument number, a remarkably good condition, the scale has been re-silvered and the brass loops & screws re-lacquered with a traditional lacquer used on early instruments (this mixture we prepare specially from an old recipe which includes natural tree gums, saffron and dragons blood!). Another one of our directors “good buys” which has so far eluded identification as to what it is, certainly for a scientific type of use and might be some type of psychrometer, measuring 2 5/8” wide x 8 ¼” high, with two decorative hooks to secure the door and a simple hanging ring above, unsure of date, certainly Victorian probably mid – late Victorian.
An 18th Century Trepanning Set containing ebony handled drill stamped GLASER and with a crown and Heart followed by S: HAGE (little indistinct) with 3 crowns, perforator and four lenticulars. The polished steel in good condition, a rare and hard to find set, regrettably without an original case. Can ship world wide. This is a genuine set of Surgeons Instruments used in head surgery in more primative times.
A carved and turned ivory pillar desk thermometer with mercury thermometer measures approx. 7 “ tall and 1 5/8” diameter of base. Very top of item slight damage (piece missing?)
Large Fahrenheit & Reamur spirit filled thermometer in a carved wooden case of French rococo style, scale inscribed ‘Louis Casartelli, 20 Duke Street, Liverpool, Lewis Casartelli, nephew of Baptista Ronchetti, emigrated from Tavernerio, near Lake Como, Italy around 1787. He worked for several barometer makers before setting up in business and traded from various addresses in King Street & Duke Street, working at this address from 1837 to1845. Measuring: 26 ½” tall x 6 ½” wide