Archives
~FINE HUGHES ARTIFICIAL HORIZON-AS NEW~
A fine black glass 5 x 5 inch artifical horizon with twin bubble levels by Hughes c. 1870.
Unused and perfect in every respect, this instrument of navigation was essential when a horizon could not be ascertained due to inclement weather. A pleasing combination of bright and anodised brass, it has three leveling screws to ensure that both right angled bubble levels were centered. Black glass to accommodate/facilitate mercury within a bright brass framework.
The mahogany case is near perfect with Read More...
~FINE GEORGIAN GREEN CARD PRISMATIC COMPASS by SCHMALCALDER~
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A fine and rarely used, patented green card prismatic compass by Schmalcalder in it’s original leather case c.1812.
War issue, serial number 765B (on lid and instrument), this instrument is complete, functional and near perfect. The one to own for the compass collector or connoisseur of war memorabilia, this 7 cm. round compass has features not seen on later models. Signed “Schmalcalder’s PATENT, 82, Strand, London” in flowing script, the green paper card unlocks and floats flawlessly on it’s pivot Read More...
Memorial by the late Mr. James Taylor. Presented to the Select Committee of the House of commons on Steamboats &c.
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Memorial by the late Mr. James Taylor, of Cumnock, Ayrshire; Presented to the Select Committee of the House of commons on Steamboats, &c.,
Through the Right Hon. Sir Henry Parnell, Bart., on the subject of propelling vessels by steam power.
Dated April, 1824.
Second edition, with original correspondence sustaining Mr. Taylor’s claims.
Provenance: Stevenson family by descent. (Scottish family of Engineers and lighthouse builders).
Height: 26.5 cm.
Width: 22 cm.
See: The Scottish Nation Or the Surnames, Families, Literature, Honours and Biographical History of The People of Read More...
~GOOD CARY MINIATURE SEXTANT-CASED-MILITARY~
A used but NOT abused miniature sextant signed “Cary, London” and “Made in England”. Serial number 3456, it is constructed from bright and anodised brass with enamelled highlights. 4 inch radius, 5 inch arc circle reading out to 180 degrees (miniature Quintant?), this instrument was military issue probably for the Crimean War (1853-56) and was one of the last instruments made by Cary exclusively, as Porter took over the Firm in 1856.
Every screw is intact and NOT bruised. I Read More...
A good presentation telescope – H.M.S. Britannia.
A large marine presentation telescope constructed in nickel silver with the sun visor and eye-piece of silver plate. The taper barrel is finished in black leather. It measures 28 inches long when closed and 42 inches fully drawn. It gives an excellent clear view. There is an additional short pancratic draw tube (2.5″ long) and this allows the user to ‘zoom in’ when viewing.
The sun visor is engraved:
Presented
to
Mr Keightley,
Boatswain R.N.
By the Fourth Form who passed out
December 1876.
H.M.S. Britannia.
H.M.S. Read More...
IRISH SEXTANT BELFAST
SHIPPING BY UPS, FEDEX, ETC. FULLY TRACKED. Contact Email: [email protected]
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A large and early Weiss Liston-amputation knife
A large and early (15″ or 37.50 cm) Weiss Liston-amputation knife with back sharpened last two inches. It is signed both on checkered ebony handle and blade with name and 62 The Strand address. One side of handle has stable hairline. Blade is bright with no evidence of rust or corrosion.
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STANLEY SEMI-ELLIPTICAL TRAMMEL
SHIPPING BY FEDEX, UPS, DHL, ETC. FULLY TRACKED. Contact Email: [email protected]
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~FINE GEORGIAN CIRCUMFERENTOR-TROUGHTON (NEW PRICE)~
20 cm. diameter with 12 cm. silvered compass and 10 cm. sighting vanes, this surveying instrument is signed “Troughton, London” in flowing script. Compass dial divided into 360 degrees on the outer ring and further divided into four 90 degree quadrants. Unusual features include a RED compass needle (still points North), round knurled compass lock knob and a wonderful butterfly nut below for the pole staff. Outer ring fully divided in 1/2 degree increments for the full 360 degrees Read More...
Stevenson on Illuminating Lighthouses, First Edition, 1835.
First edition of Alan Stevenson’s 1835 book, Report to the Committee of the Commissioners of Northern Lights, Appointed to take into consideration the subject of Illuminating the Lighthouses by Means of Lenses. Edinburgh: printed by Neill and Company, MDCCCXXXV.
The book contains six plates drawn by Allan Stevenson when he was in Paris at the office of M. Fresnel, drawn by Steveson, he copied them from Fresnel’s original in 1834, as denoted to the foot of five of the plates. In Read More...
~PRISTINE MINING ANEMOMETER IN ORIGINAL BOX~
Signed “Negretti and Zambra, No.997”, this air flow miner’s meter (anemometer) has seen zero use. Signed and serialised with trade and inspection label to the lid of the mahogany box, it retains ALL of it’s original orange lacquer, 5 subsiduary dials (from hundreds to hundreds of thousands of feet per minute), works flawlessly, needle lock, aluminum vanes (expensive at the time), with post mount which screws into the base. Dial measures 2 1/2 inches, vane surround is 3 1/2 Read More...
1950’s Whirling spychrometer Casella London
A 1950’s Caella London Whirling psychrometer, also known as a sling psychrometer, for measuring humidity, designed by J. J. Griffin & Son Ltd. and made to B.S.2842 by Casella, London, UK, 1950-1953. Contains wet and dry bulb thermometers.
Whirling or sling psychrometers are types of hygrometers for measuring air humidity. They contain two thermometers, one of which has a bulb kept wet with a cloth soaked in distilled water. The device is whirled rapidly in the air, and the difference Read More...