Archives

SPECTACULAR FULL-CREATURE PREPARATIONS

SPECTACULAR FULL-CREATURE PREPARATIONS, English, c. last quarter 19th century, the six each mounted under cover glass on a 1″ x 3″ (2.5 x 7.6 cm) glass slide with applied paper label(s). Included are mounts by Norman, Darlaston, and the famous Frederic Enock, displaying Sedge Fly, Gad Fly, Sailor Beetle, Male Earwig, Sheep Tick, plus a Heath Spider. Dramatic mounts in fine condition. Read More...

DEELEY’S ADSORBED FILM TESTING MACHINE

DEELEY’S ADSORBED FILM TESTING MACHINE, English, c. 1920, signed by the maker on an interior plaque “No. 32, R.M. Deeley¹s Patent; J.H. Steward Ltd., 406 Strand, London, England,” with three patent numbers c. 1918, and signed by the retailer on a case plaque “Herman A. Holz, Testing Machines of High Quality, 17 Madison Avenue, New York.” Made of bright lacquered brass, this unusual instrument stands 11-3/4″ (30 cm) tall on four levels separated by turned brass columns. The lowest Read More...

MICHELL’S PATENT VISCOMETER

MICHELL’S PATENT VISCOMETER, English / Australian, c. 1920, signed on the lid including the UK patent number (117234). Contained in the 6-7/8″ (17 cm) wide fitted mahogany case is a hollow steel cylinder with hard rubber grip and lower weighted steel assembly with three tiny polished steel grasping “pads” arranged on a cup-like segment of a sphere. There is also a polished steel ball which mates to these pads, a 0 – 100° C. thermometer, and instruction sheet. The Read More...

WWI era Woolwich pattern 26″ beam compass.

A WWI era Woolwich pattern 26″ beam compass in case with accessories. Circa 1914-18. Mahogany lath with boxwood scale, brass fittings, number 334. Attributed to Houghton-Butcher of London, with MOD broad-arrow marks to reverse and case.   Read More...

~FINE VICTORIAN DRAWING SET-OWEN’S SCHOOL-COMPANY of BREWERS~

A fine, unused? Victorian drawing/architect’s set in a mahogany case with a leather overlay (possibly as a proficiency award) from the “Owen’s School, Islington. Govenors: The Worshipful Company of Brewers” with crest and motto. Everything internally is as it should be, without replacements. Pens, pencils, two dividers/compasses, leads holder, brass protractor, boxwood scaling and calculating rule, ebony parallel rule and original key. The corners of the lid are scuffed from storage/wear. A most pleasing set with a fascinating history. Case Read More...

English 19th century beautiful and rare candle blue silk fan screen light shade by C.W. Dixey”.

English, c. 1873, signed on case: “C.W. Dixey, Optician to the Queen, 3 New Bond Street, London.”   A lacquered brass telescopic rod with swivel joint: 77cm full extended; 53 cm closed. 30 cm diameter circular blue  silk shade folding to fit on the case. It come in his original signed case, and  with handwriting name of owner  and datation: 3 May 1873. Condition is very fine. Used to shield one’s eyes from the direct light from a candle, can shade the microscopist’s eyes from Read More...

CROOKES’ SPECTROSCOPE IN MINIATURE

CROOKES’ SPECTROSCOPE IN MINIATURE, English, c. 1875, signed “John Browning, London.” This fine little spectroscope has a central trapezoidal box containing the glass prism, and two 4″ (10 cm) long tubes, one with extending tube containing the two-element eyepiece, the other with extending tube containing the simple adjustable slit. Each tube can be adjusted slightly for tilt with respect to the prism. Spectra are clearly visible. The instrument is in very fine condition, with its beautiful clear lacquered finish Read More...

CHEMISTRY STANDARD VOLUME MEASURES

CHEMISTRY STANDARD VOLUME MEASURES, English, c. 1900, comprising a set of five graduated glass pipettes, numbered “2244,” engraved variously with volumes in minims, grains, drachms and ounces, each one etched with a sequence of certifications including date and ruling monarch (e.g., 1908 ER, 1921 GR, 1931 GvR, 1941 GviR, 1951 GviR, 1961 EiiR). The fine fitted mahogany case is 12-1/4″ x 3-7/8″ x 1/2″ (31 x 10 x 1.3 cm) and bears a brass plaque engraved “County of Renfrew, Read More...

Sick Syphon Silver

  A silver Sick Syphon, C. 1800/1820. The underside of the straw is engraved with the owner’s name: W. Gutter to H Roger. This object was used in hospitals as a straw so the patients were able to drink something. Length: 13 cm. Read More...

DEMONSTRATION SOUNDING TUBES

DEMONSTRATION SOUNDING TUBES, probably English, late 19th century. These four lacquered brass tubes are mounted on a mahogany base 13-1/4″ x 4″ (34 x 10 cm), the tallest standing 11-1/8″ above the base. Each has a wood plunger piston which, when withdrawn rapidly, produces a sound whose frequency depends on the length of the standing column. Complete and all original, in fine condition. Read More...

HAIR HYGROMETER

HAIR HYGROMETER, English, c. second quarter 19th century, signed “Watkins & Hill, London.” The open framework is constructed of clear lacquered brass, 8-3/4″ (22 cm) tall overall, with suspension ring and mounts for the mechanism. It is fitted with a circular scale of relative humidity divided every unit from 0 to 100, and ends marked D(ry) and M(oist). An index pointer is driven by central double pulley, the pulley drawn counter-clockwise by string attached to a tight bundle of Read More...

Extremely rare late 18th century refracting telescope By Francis Watkins London

Extremely rare late 18th century refracting Telescope by Francis Watkins London Signed:  “WATKINS CHARING CROSS LONDON” Here we are dealing with a very rare achromatic refractor telescope produced by Watkins, as his reflection telescopes much more known than refractors. Furthermore, to make this telescope even more rare and historically interesting is the fact that it mount  a triplet achromatic objective lens. Anyone who knows the history of the telescope with achromatic lenses, knows that it was John Dollond who patented it, after learning that Read More...