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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...
11 Jan

SOLD – Presentation telescope by Andrew Ross.

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SOLD – Three draw and constructed in nickel silver with a baleen covered barrel, signed on the first draw, ‘A. Ross, London’ with eye-piece dust slider, lens cap and sun visor. The visor is engraved, ‘Awarded to Gentleman Cadet Edwin W. Sandys for proficiency in Landscape Drawing. 1st Prize Royal M. Academy. December 1855’. The telescope measures 21″ when fully open and 7.75″ closed with a main lens of just over 1.25″. Very clear to look through, no dents / chips. Read More...
02 Jan

ANTIQUE MAHOGANY QUADRANT

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SHIPPING VIA FEDEX, UPS, ETC. FULLY TRACKED.       Contact, Email:  [email protected] IVORY EXEMPTION NO. 49DYJLHR Read More...
30 Dec

DOLLOND TELESCOPE. DATED 1837 WITH PROVENANCE

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JOINED NAVY 1837 ON THE 2ND OF MAY. AS GENTLEMAN CADET. 29.4.1843 MATE., 15.1.1846 LIEUTENANT., 7.9.1855 COMMANDER., 6.8.1860 CAPTAIN., 30.12.1876 REAR ADMIRAL., 23.11.1881 VICE ADMIRAL., 24.5.1887 RETIRED ADMIRAL.  GOOD IMAGE. SHIPPING BY FEDEX, UPS, ETC. FULLY TRACKED.  Contact Email:  [email protected] Read More...
30 Dec

J.SEARCH BRASS PROTRACTOR, 18th CENTURY , GOOD COND. DIAMETER 4 IN. ( 110mm )

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ALL IN GOOD CONDITION Read More...
29 Dec

W & T GILBERT BRASS PROTRACTOR, (1781-1844 ), 4 in. (152mm ) DIAMETER , GOOD COND.

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THOMAS GILBERT AND HIS BROTHER WILLIAM GILBERT , INSTRUMENT MAKERS  THIS PROTRACTOR IS IN GOOD CONDITION   Read More...
29 Dec

SMALL BRASS PROTRACTOR by JOHN FREDERICK NEWMAN (1782-1860 ) DIAM; 3.25 IN. ( 84 mm ), GOOD COND.

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ALL IN GOOD CONDITION , SMALL SIZE 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

Three draw telescope by Thomas Harris & Son.

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A good 3 draw telescope measuring 29″ fully drawn and 9.75″ closed with a main achromatic lens of 1.5″. It is signed on the flat plate of the eye-piece, ‘Thos Harris & Son, London’. No cracks / dents / chips, the telescope gives a very clear view. Thomas Harris & Son, William, had a long career working from 1802 – 1901. 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...
22 Dec

Two draw telescope in case.

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Unsigned, measuring 7.75″ closed and 19″ fully open with a main lens of just over 1″. The lens cap threads onto the main lens cell. It gives good clear views, no dents. Some nicks to the red enamel. Contained in cardboard case. 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...
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