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Verners Pattern VII WW1 Consol Toronto Canada Pocket Compass Aluminium Dial
Offered for sale;Verners Pattern VII prismatic marching compass made by Consol Toronto Canada.WW1 compass with engraved and painted aluminium dial.The brass case stamped on the...
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Swiss Venner Time Switches A19 Stopwatch Pocket Watch Box Case Vintage
Offered for sale;Early 20th Century Swiss made nickel cased 1/10th of a second stop watch,the eleven jewel striped movement with one adjustment, perfect white enamelled dial with Arabic numerals 1-9...
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Heuer Stop Watch 15 Jewel 30 1/10 Second Split Hands Vintage
Offered for sale;Vintage Swiss made Heuer stopwatch, circa 1950the dial markedHEUERMADE IN SWITZERLAND Reference 550 -- 1/10 second recorder, with split action; one revolution in 30 seconds; 15 minute...
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Elliott London Abney Level Clinometer Inclinometer Sight Antique
Offered for sale;Hand held pocket inclinometer level circa 1900The square body engravedElliott Bros, London Abney's Level Rd 5205 No 165 Elliot Londonwith original shaped leather case.The design, by...
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Hand Held Horizontal Sighting Spirit Level Archbutt London Antique
Offered for sale;Hand held horizontal sighting level, circa 1910the tube engraved4095 J.& W.E. ARCHBUTT LONDONSolid brass with bronzed finish and leather case.In good condition and working...
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A Rare Microscope Preparation Injecting Syringe with Accessories
A Rare Microscope Preparation Injecting Syringe with Accessories Unsigned but with a retail label in the base of the mahogany box which reads: T Rowley & Son Opticians To The Sussex & Brighton...
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An exceptionally fine ‘Smith’s Mounting Instrument’ for microscope slide...
An exceptionally fine ‘Smith’s Mounting Instrument’ for microscope slide preparation. Unlike the usual universal spring clip made from a piece of bent wire this instrument is made of fine lacquered...
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A fine and case dial-type Bailliart ophthalmodynamometer
A very fine examle of Bailliart ophthalmodynamometer, used used to measure the blood pressure of the central retinal artery; of value in diagnosing occlusion of the proximal carotid artery. It exists...
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A very fine and complete Hayem hemocytometer by Nachet – circa 1890
A very fine and cased Hayem’s instrument signed by Nachet which serve to count the blood cells (Hematimètre/Hemocytometer). The Hemocytometer set includes the optical instrument to count the blood with...
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Late Victorian Microscope Oil Lamp – J. Swift & Son, London, with case
Lacking glass / ceramic funnel, the base measuring just over 10 cms across, signed 'Swift & Son, London'. The lamp burner can be adjusted to the desired height on the 27 cms stem. It has a new...
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Silver plate monocular by Gilbert and Gilkerson
An extremely scarce example of a virtually umblemished optical piece by Gilbert and Gilkerson,a partnership that lasted from 1793-1809 at 8 Postern Row,Tower Hill,London.The black lacquer body and...
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Six draw Cary miniature telescope with blue lacquer body and silvered metalwork.
This elegant telescope by Cary,London has six silvered draws and a blue lacquered body.It is free from dents and focusses easily and crisply.The lenses are undamaged.The case is shaped and covered in...
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Dry card compass by Cary,London with a tropical hardwood case.
This compass is a refined version of the standard mahogany cased examples of the early 19C.The case is in a dense tropical hardwood,probably a rosewood or an ebony and is in wonderful condition.The...
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Mahogany case compass dial by William Simms London
Signed on the edge of the compass paper for William Simms London,pre 1826 as by that time the partnership of Troughton and Simms had been established.Housed in a plain mahogany case with two securing...
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compass by Bleuler London c.1790-1829
A mahogany cased compass stamped BLEULER LONDON inside the lid.The paper dial has some very light foxing,the item is in excellent original condition.The blued steel needle is marked for N and S.The...
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silver and tortoiseshell monocular by Dollond
A luxurious monocular by Dollond,circa 1770-80 in toroiseshell and bright cut engraved and pierced silver.The barrel is in well figured tortoiseshell with no cracks or repairs.The silver is profusely...
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Three 19th-Century Tooth Keys
From the left, we have a classic French clef de Garengot signed by Mathieu but with a variant handle. Instead of the typical plain-ebony handle this one has two nickel-plated collars on either side...
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Two French Tooth Keys Signed by Maker: Decamp & Grandmarin
The key on the right with a horn handle and nicely decorated shank is signed by "GRANDMARIN", who according to Jean-Pierre Martin (INSTRUMENTATION CHIRURGICALE ET COUTELLERIE EN FRANCE , Paris,...
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Haemacytometer w. Levy Counting Chamber and Neubauer Double Ruling
American Standard Haemacytometer w. Levy Counting Chamber and Neubauer Double Ruling. Retains leather covered case and original labeled-cardboard box....
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A large sighting compass by Negretti and Zambra c.1860
A large and heavy compass with sighting vanes for forward and back bearings.The body,vanes and lid are in lacquered brass,the dial and calibrated degrees ring are silvered.All the engraving is hand...
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