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12 Jan

An Example of very rare Fearnley Universal Calculator

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An example of a very rare Fearnley Patent Universal calculator, marked ‘By Royal Letters Patent’-in original mahogany case. Modus operandi is not clear although the Science Museum example describes its use by the Observatory of Cambridge University. There are no moving parts or cursor-The calculator is rather grubby as shown and the surface is covered throughout with uneven varnish.   Read More...
22 Dec

Three draw pocket telescope with pancratic eyepiece – Braham.

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This three draw brass telescope has a leather covered barrel and measures 5.5 inches long pulling out to 15″. It is signed ‘Braham, Bristol’. John Braham worked at various addresses in Bristol from 1828 – 1838. This 3 draw has a ‘hidden’ pancratic tube / eye-piece. If the user partially unscrews the eye-piece a concealed pancratic eye-piece can be accessed (fully retractable). This tube is engraved, ‘Pancratic Eye Tube’ and has various magnification engravings from 15 – 35 x. Very clean and Read More...
22 Dec

Seven draw telescope – Myers, London.

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Signed on the flat of the eye-piece, ‘Myers, London’, the telescope measures 22″ and 4.75″ closed. It has a lens cap and a dust slider to the eye-piece. Small dent to the barrel. Read More...
21 Dec

three draw telescope with engraved ‘scale of minutes’.

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A nickel silver three draw telescope with a dark, mahogany barrel, unsigned, but the 2nd and 3rd draw tubes engraved with a scales of small increments and ‘Scale of minutes’. It was the Scottish scientist Sir David Brewster who invented the telescope for measuring Angles and Minutes and had a joint patent with instrument maker William Harris to produce / sell such a telescopes in May 1811. Brewster’s original design of this type of telescope was engraved, ‘Scale of minutes divided Read More...
20 Dec

Museum Miniature surveying sextant Signed Nairne and Blunt C.1785

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Rare Miniature surveying sextant constructed in lacquered brass Signed Nairne and Blunt across the T-bar . Diagonal gilet scale divided to 130 degres, vernier with fine screw adjustment , two mirrors, six shades, threaded mounting tube, with threaded wooden handle behind. Lens of mounting tube missing. Good condition. Nairne and Blunt Edward & Thomas  shop in 20 Cornhill Fronting the Royal Exchange  London in 1783.   Read More...
20 Dec

~VERY FINE SEXTANT by GRAY and KEEN~

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A very fine (as new-unused) anodized and bright brass sextant signed “Gray and Keen, Strand Canning Dock, Liverpool” with a certificate of accuracy dated May 1, 1891. Having an index arm of 9 inches with an arc circle of 10 inches, this instrument is in original, untouched condition. Although the silvered scale (runs out to 150 degrees) is oxidized-silver sulphide black, this instrument has been perfectly preserved for over 130 years. No faults, rare address. A perfect specimen. The case Read More...
18 Dec

~IMPORTANT, LARGE DAVIS QUADRANT in MAHOGANY~

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An important Hadley-type/Davis quadrant in mahogany wood with bone scale and name plate c.1791. Made during the first year of the partnership of Gilbert, Wright & Hooke at the Navigation Warehouse, 148 Leadenhall St., London,  this instrument has many nuances not seen before or after. Having a 17 inch index arm radius and a 15 inch arc circle, it is a rare survivor in near perfect condition. The mahogany frame has a rich colour and the brass has taken on Read More...
15 Dec

Three draw telescope – Elliott Brothers.

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A three draw brass telescope signed near the eye-piece, ‘Elliott Bros, 449 Strand, London’. It measures 30″ long when fully open and 10.25″ when closed. It has a triple element main lens of 2.2″ diameter. The engraver has made a small mistake by cutting a 4 and a 7 on top of each other. It gives excellent views. Magnification is 28x. No dents / chips.   The company worked at 449 Strand between 1876 – 1890.   The pattern became the standard spotting ‘scope’ for Read More...
12 Dec

Apothecary, Drug Chest – England, ca. 1870

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Particularly nice ship’s or travel pharmacy in mahogany transport box with brass flat folding handle. The upper part opens and shows 17 blown glass bottles with fitted stoppers. Some bottles have residue from drugs. To the back is a sliding panel with internal closure to reveal four bottles, know as the poison section. The drawers below contain all kinds of tools such as scales, marching cups, mortar, weights, etc. The finish is in fine condition on this historic chest. Read More...
12 Dec

~FINE, UNUSED WATSON-TYPE PARAFFIN/ALCOHOL MICROSCOPE LAMP~

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A virtually unused Watson-type microscope lamp with zero faults. Standing 11 inches tall (extendable), the lamp consists of a circular black enamelled base, brass upright terminating in a black round finger handle, semi-circular paraffin/alcohol reservoir with original rounded stopper, gilt brass burner assembly (wick never used), blue glass chimney and white ceramic shade (perfect). As seen in other earlier Watson models with signature brass base, the support bracket for the ceramic shade is a flattened split ring rather than Read More...
10 Dec

Azimuth Mirror, Patt. 996

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With the azimuth mirror on the compass the direction of a celestial body can be determined, expressed in degrees. Used among other things, to determine the deviation of the compass. The black lacquered, brass mirror of unknown maker is never used and comes with a loose pen in a wooden case. The spare pen is missing. Date: ca. 1940HD: 23×13 cmHWL case: 16.5x26x26 cmSigned: Patt. 996, No 795Origin: USA or EnglandCondition: in perfect condition More nautical instruments can be seen at Read More...
10 Dec

Azimuth Mirror – B. Cooke & Son, Hull

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With the azimuth device on the compass the direction of a celestial body can be determined, expressed in degrees. Used, among other things, to determine the deviation of the compass.The black lacquered, brass instrument comes with a loose pen in a mahogany case with beautiful dovetail connections and leather carrying strap.B. Cooke & Son Ltd. has a proud history since 1863 and reputation as British Admiralty Chart Distributor, Nautical Instrument Manufacturers and resellers and is still operating in Hull. Date: Read More...
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