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19 Jul

RARE FOLDING PORTABLE CLINICAL AND FIELD MICROSCOPE C.1900 Signed: “J.SWIFT & SON LONDON” N°495

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RARE FOLDING PORTABLE CLINICAL  AND  FIELD MICROSCOPE C.1900 Signed: “J.SWIFT & SON LONDON” N°495   Rare portable microscope with a folding tripod . The inner optical tube is nickel plated and slides through the lacquered brass tube  signed “J. Swift & Son, London, No 495” This microscope come with a Travis mechanical ‘Roller Stage’. This accessory was invented in 1894 by Will R. Travis.  All in excellent and working condition with a “Swift” original lenses   1 eyepiece,  and 2 objectives. All contained in his original leather portable case. Rare Read More...
15 Jul

Baker dissecting simple microscope, London, ca. 1870

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A complete and cased example of the Baker-type simple dissecting microscope with its three different lenses of different magnification (the larger one has a small chip on one edge but invisible when we are looking inside) signed “Baker, 244 High Holborn London”. Despite an old polishing, the microscope is on good working condition. The three lenses are preserved in its original drawer and the microscope can be fitted in its original wooden traveling case. Not so usual, complete. The case measures 20x14c13,5cm   Read More...
03 Jul

William IV Cased Miniature Altazimuth Theodolite by Cox of Devonport

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For sale a rare cased Early Nineteenth Century miniature altazimuth theodolite by WC Cox of Devonport. This rare example is comprised of a horizontal four and a half inch divided circle which can be hand operated for coarse adjustment. Fine adjustment is achieved by a geared vernier which can be manoeuvred by means of a knurled brass knob at the top edge. The centre contains an expertly engraved and silvered compass with a brass catch to hold or release the Read More...
02 Jul

3 Rules to Measure Areas on Maps

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3 boxwood rules in original pine box, two by Troughton and Simms, and one by Stanley. Instructions for use see images taken from ‘drawing and Measuring instruments, J. F. Heather 1884. All undated but c1850 Read More...
25 Jun

Small Bourdon Aneroid Desk Barometer on Ebonised Stand for Pillischer London

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For sale an early Bourdon aneroid desk barometer on ebonised wooden stand. This very rare example of a bourdon barometer has a three and a half inch paper dial showing 28 to 31 inches of barometric pressure through a thick bevelled glass and with an open movement to the centre. It has a blue steel indicating hand and an intricate brass pointer operated by a knurled knob to the front of the glass. The card dial is also printed with Read More...
24 Jun

~FINE BOX SEXTANT WITH TELESCOPE-ELLIOTT, HOLBORN, LONDON, 1830~

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A fine, all brass box (lifeboat) sextant by William Elliott c.1830. Early roping (knurling ) of the brass knobs and edges of the instrument and cover. Perfect optics of the telescopic eyepiece (also has a peep sight) with petite eyepiece sliding dust cover. Silver scale runs out to 150 degrees, hinged magnifier, dual light filters (green and red), all mirrors perfect and intact. This instrument pre-dates the formation of the Elliott  & Sons Company (1850) but by the construction Read More...
24 Jun

Victorian Golden Oak Stick Barometer by Wood Late Abraham of Liverpool

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For sale, a very fine Victorian golden oak stick barometer by George Wood (Late Abraham) of 17 & 20 Lord Street, Liverpool. The architectural case is headed with a domed pediment containing a carved shield with rococo and acanthus leaf motifs. The pediment is supported by a turned oak column either side of the central scale wih floral carved capitals and flared acanthus feet. The bevelled glass to the centre protects an inverted opaline glass and painted scale showing weather indications Read More...
21 Jun

A Rare Pair of Assalini Obstetrical Forceps

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A rare pair of Assalini obstetrical forceps. Paolo Assalini (1759-1846) was a distinguished Italian physician and surgeon. He was professor at Milan Military Hospital and chief surgeon to Napoleon. Subsequently he was appointed physician and surgeon to Prince Eugene of Bavaria and also received a gold medal from the Royal society of London  for “a variety of very ingenious Surgical Instruments invented or improved by him, and which are likely to be of infinite service in many operations.” His Read More...
20 Jun

Nickel silver telescope by Dixey.

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A leather covered single draw telescope, signed near the eyepiece, ‘Dixey, 3 New Bond Street, London’.The company occupied this address between 1825 – 1865 and had a Royal Appointment to Queen Victoria. The extended length of the telescope is 45″ (114cms) and closed, 38″ (96cms). The main lens has a diameter of 55mm. With end cap and eyepiece slider, the leather covering is complete and firm but has a little’ bubbling’ (probably due to it being pigs leather). The optics Read More...
09 Jun

PHILIPS 8 INCH CHALLENGE GLOBE

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The capital of Turkey is marked as Istanbul and Constantinople dating the globe to around 1926 Read More...
04 Jun

~GOOD VALENTINE DOUBLE BLADED SURGICAL KNIFE~

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A good and rare sdjustable, double bladed “Valentine” scalpel for cosmetic/reconstructive surgery. Designed to cut sections of new skin of various width for skin grafting, the cutting edges are perfect. Slight oxidation of the bright steel but no rust. Thumb screws to adjust width with a small locking collar once the desired width is obtained. The handle can be unlocked for use as a single blade if desired. 6 3/4″ overall length. no case. c. 1880. Read More...
19 May

An unsigned Ramsden library telescope.

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An 18th century table mounted telescope standing 19″ high (48 cms) with a length of 36″ closed and 40″ fully extended with a main lens of 2.25″ (56mm). It is fitted with an early pancratic eyepiece with variable powers between 30 – 40 x. The image is fine and clear when viewing, the lenses undamaged. This is identical to a signed Ramsden telescope sold on this site a couple of years ago, and is the same one shown in the Read More...
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