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Museum Miniature surveying sextant Signed Nairne and Blunt C.1785

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...

Universal Microscope by R & J Beck of London.

Universal Microscope by R & J Beck of London, 1867. Serial number: 4757. Circular base marked: UNIVERSAL MICROSCOPE – R & J BECK LONDON In original fitted case with brass handle: H: 33.5 cm.   Literature:  Richard Beck’s The Achromatic Microscope, 1865.    For a similar Universal Microscope by Smith, Beck & Beck see the collections of: The Science Museum, London. (Sir Henry Wellcome’s Museum Collection) Object number: A18435.  Billings Microscope Collection at Walter Reed Army Hospital, Washington DC. The Golub Collection, University of California, Berkeley. Read More...

~VERY FINE SEXTANT by GRAY and KEEN~

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...

~IMPORTANT, LARGE DAVIS QUADRANT in MAHOGANY~

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...

Beautiful engraved sperm whale tooth 19th century

Beautiful engraved sperm whale tooth 19th century an aristocratic lady on the frontOn the back is a sailboat, the point is completely intact,and the tooth stands nice and straight on its ownPrice includes registered shippingDimensions: 4 inches high.Made in England in the 19th century. Read More...

SOLD – Large microscope and accessories – James Parkes & Son.

SOLD – A very large lacquered brass microscope by James Parkes & Son, Birmingham. It is similar in size to a Ross No 1, standing 20.5 inches high when racked down. It has a brass bound case with accessories including: Six objectives in canister by Parkes including a 1/8 correction collar, body prism, spotted lens, prism box, all in canisters, 2 x live box, 2 x tweezers, 2 x eye-pieces, glass water trough, large frog plate, erecting eye-piece in canister, Read More...

PETER & JOHN DOLLOND CUFF TYPE COMPOUND MICROSCOPE Ca. 1775

P & J DOLLOND AT ST PAULS CHURCH-YARD, LONDON W. 1766-1804 BOX 20″ INCHES HIGH. PLEASE NOTE. REF. THE GREAT AGE OF THE MICROSCOPE BY GERARD L’E TURNER. PAGE 48 PLEASE SEE A IDENTICAL DIAGRAM OF JOHN CUFF’S MICROSCOPE ONLY TURNED THE OTHER WAY? IVORY REGISTRATION NUMBER BVT2HQL9 SHIPPING BY UPS, FEDEX, ETC. FULLY TRACKED.  Contact Email:  [email protected] Read More...

Three draw telescope – Elliott Brothers.

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...

SOLD – Irish gunner’s caliper – Spear, Dublin.

SOLD – A rare set of brass Irish gunner’s calipers, signed in script, ‘Spear, 23 Capel St, Dublin. Inst. Maker to His Majesty’s Ordnance’. With various engraved scales including ‘IRON GUNS, Proof, Service’; ‘BRASS GUNS’, Proof, Service’; ‘Inches’, ‘Guns’ etc. They measure 6 inches long from the centre of the hinge. Very nice, original condition. Richard Spear (1) worked from 1791 – 1814 and is recorded at 23 Capel St from 1793 – 1809. Read More...

Apothecary, Drug Chest – England, ca. 1870

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...

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

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...

Azimuth Mirror, Patt. 996

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...