UK and Ireland Archives - Page 26 of 102

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Quality Mathematics in the mid-18th Century, English, mid 18th century, signed “F. Watkins, London,” of thin brass 6-1/4″ x 1-3/4″ (16 x 4.5 cm) decorated both sides with running leaf tip design. The front has gently beveled edges, and is exquisitely engraved with a rectangular protractor (divided every half-degree) and with scales of equal parts with transversals for interpolation. The reverse has further chart scales, and complex scales for calculation (Cho, Lat, Sin, In Me, Tan, Hou, E P, Read More...

20 Feb

Astronomical Quadrant with Rackwork Motions

By TESSERACT

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JONES’ IMPROVED ASTRONOMICAL QUADRANT, English, early 19th century, signed “W. & S. Jones, 30 Holborn, London.” This handsome lacquered brass instrument stands 10″ (25 cm) tall on its tabletop base with three leveling screws. The base has a circumferential degree scale, and is centered by a rotating disk which carries the instrument on central pillar, and which is fitted with crossed spirit levels, internal pinion and ring gears, and one-arcminute vernier. Atop the openwork pillar is mounted the 4-1/4″ Read More...

20 Feb

Belfast Customs telescope – Lee & Son.

By Scientific Inspirations

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A large single draw marine telescope, signed near the eyepiece, ‘Lee & Son, Belfast’. Also engraved ‘CUSTOMS’. It measures 20.5 inches when closed and 37 inches fully drawn. The brown tan leather covering to the barrel is in very good condition with the stitching intact. There is a dust slider to the eyepiece and a sun visor to the main lens. No dents, lenses are damage free. Nice & clear to look through. Read More...

18 Feb

A medley of trocars.

By M and R Gordon

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A medley of trocars. Happy to provide additional information and images of each. Read More...

17 Feb

RARE ANTIQUE COPPER CORN OR GRAIN MEASURE

By MikeRead

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SHIPPING BY FEDEX, DHL, DPD, ETC. FULLY TRACKED. Contact Email: [email protected] Read More...

10 Feb

RAMSDEN’S AS MEETING POINT — A MANUSCRIPT FRAGMENT

By TESSERACT

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Ramsden’s Premises as Focal point for Scientists of the Day, English, second half 18th century, the small note addressed to Dr. James Lind, at Mr. Mitchell’s in the Hay Market “Inquire at Mr. Ramsden’s for more a particular direction.” The incomplete contents reads “Mr. Maskelyne will meet them at Mr. Ramsden’s at 3 o’clock whence they may proceed together.” Condition is fair, with traces of sealing wax. James Lind (1736 – 1812) was a physician (to the Royal Household) deeply Read More...

10 Feb

A SPYGLASS WITH PROVENANCE

By TESSERACT

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From Bolton Hall, English, early 19th century, signed on the drawtube “Dollond, London,” on the eye surround “Robert Dymond, Bolton Hall,” and engraved on the dust cap with a heraldic fleur-de-lys. Made of brass with black enameled wood main tube, and opening from 7″ to 19-3/4″ (18 – 50 cm) by three drawtubes, the telescope is in fine condition and gives good images with its triplet achromatic objective and erecting eyepiece system in a segmented drawtube (PC/CC/CC/CC). The census Read More...

10 Feb

AN ORIGINAL J. Cuff’s NEW CONSTRUCTED DOUBLE MICROSCOPE, c.1745

By Alpha et Omega

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A FINE EXAMPLE OF “JOHN CUFF” BRASS COMPOUND MICROSCOPE, c.1745 Signed on the cruciform stage: “J CUFF Londini invt.& Fecit” the body tube mounted on upright limb with slide bar and fine screw focusing, mounted on a square mahogany base with drawer, contained in a tapered mahogany case. Accessories including a set of five objectives (numb.1-5), spring stage, fish-plate, live box, brass cone, canister, hinged brass specimen holder, 7 numbered bone slides, lignum vitae pulicare lens/box. Condition is very good, retaining most Read More...

08 Feb

A BULLSEYE BENCH CONDENSER MISCROSCOPE c 1880.

By JP Antiques

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This brass bullseye condenser ~Microscope stands 19cms tall. The lens is in good condition. The lacquer finish of the brass is in need of cleaning. Read More...

08 Feb

A Pair of Skin Grafting Scissors by Weiss

By Fletcher

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A fine pair of skin grafting scissors in good condition in original case. See also my listing for the first rotary drum dermatome by Padgett-Hood Read More...

07 Feb

Antique differential thermometer, about 100 years old

By Early Science

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Antique differential thermometer, about 100 years old A glass tube with a large sphere at each end, bent twice at right angles, containing strong sulfuric acid and supported in the middle by a wooden stand, forms the differential thermometer as invented by Professor Leslie. The instrument is designed to show and measure small differences in temperature. Educational model, taken from a Dutch school Height 4o cm, in complete and working condition (liquid inside) Read More...

06 Feb

Museum: Large Equinoctial inclining sundial George ADAMS C 1765

By Antiques Le Saint Georges

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Museum: Large Equinoctial inclining sundial George ADAMS C 1765. Engraved in hour circle G Adams London. Compass set into base plate Degree scale and height cardinal points rose highly decorated with floral designs On the back many latitudes for Europeans cities. The hour circle hinged to North side of base plate divided clockwise3.45 am – 8.45 pm numbered III-XII,I-VIII Circular arcs decorated with a wheat sheaf design support the gnomon,Pierced brass gnomon, folding flat when not in use. Latitude arc hinged to East side of Read More...