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C1925 Heitz-Boyer’s bone clamp

Nice example of a Heitz-Boyer’s bone clamp in good working order. No maker indicated. Kirkup (THE EVOLUTION OF SURGICAL INSTRUMENT, 2005:308) dates this instument c1925, presumably based on an entry in Down Bros. catalog.–see last image. Length: Length: 14″ or 35cm as shown.   Read More...

~FINE GLASS AND STEEL MORPHINE SYRINGE-CASED C.1900~

A glass and steel, knurled and demarcated personal morphine syringe as was the norm in Edwardian times. Both the acid etched glass and steel plunger are marked  5, 10 , 15 (probably 0.5 to 1.5 cc.) for doseage depending on need/desire. Single matching needle. Very fine condition and working. Black card case measures 7 x 3 x 2 cm. with gold embossed name and address in lid and etched on the barrel of the syringe “Allen & Hanburys” with  London Read More...

A Rare Previously Unrecorded Example of Bradford Darby and Hulls Coin Scale

A rare, larger than normal example of Bradford Darby and Hulls coin scale. The scale was patented  on 12 December 1753 No, 686. “Machine for weighing gold coin, rings and all utensils made of gold; also a sliding rule for taking the contents of solids and superficials.” The scale has an additional counterweight fo one pound troy also marked (possibly a serial Number) No.10. The scale is unknown and possibly a unique surviving example of this scale. However it Read More...

RARE PATENT CATER RAND MILITARY PATERN RANGE FINDING TELESCOPE.

SHIPPING BY FEDEX, UPS, DHL, ETC. FULLY TRACKED.  Contact, Email:   [email protected] INCLUDED IS A COPY OF THE 1799 PATENT.  QUITE A LOT OF THE ORIGINAL GOLD LACQUER REMAINS. IVORY EXEMPTION NO. FJ2QXB13 Read More...

A field microscope – insectoscope

A field microscope – insectoscope   In good working condition 7,5 cm pressed 5,5 cm ca 100 years old price € 125.- Read More...

Cary-Could type microscope ca 1850

Cary-Could type microscope ca 1850 In a fine mahogany case with all its accessories and the original matching key 19 X15 X4 cm  Read More...

Standard inch by W & T Avery

A 1920’s cased standard inch by W & T Avery Ltd London, made for the County Borough of Preston. Indenture number: 3861. Portcullis date marks for 1926, 1935, 1946 and 1956. Royal ciphers: G V R, G VI R and E II R. Case dimensions: 5 x 5 x 2 cm.   For more information on the marks of standard weights and measure see: Marks and marking of weights and measures of the British Isles. Carl Ricketts, 1996. Read More...

~RARE AND FINE GEORGIAN ARTIFICIAL HORIZON~

Museum quality Georgian era artificial horizon in ovoid mahogany case with mercury filler funnel and bubble level. 3 1/2 inch (8 cm.) diameter brass backed, frosted? glass with red painted edge (some paint loss chips) sitting atop 3 adjustable legs in tripod format with additional screw to act as a stopper once the hollow area is filled with mercury via the pewter funnel. Ingenious yet somewhat fiddly, it would be a two man job to fill the glass reservoir since this Read More...

Three draw telescope – Dormer, London.

A three draw brass telescope with a mahogany body, signed in flowing script, ‘Dormer, London’. It measures 7.5″ long when closed and 23″ fully open with a main lens of 1.25″. In excellent working order and damage free (no cracks, chips etc). In carboard case (slightly distressed). I cannot find any information on Dormer and the name is not listed in Gloria Clifton’s Directory. The telescope would appear to be early 19th century as the signature runs from left to right (away Read More...

Early 20th century telescopic hearing aid

Telescopic ear trumpet hearing aid of plastic. A similar one is held in the collection of the science museum group and is fabricated by Eschmann Bros. and Walsh, 1901-1950. Length: 35 cm. Read More...

~GOOD COMPOUND MONOCULAR MICROSCOPE by BATE~

A 30 cm. tall compound monocular microscope with 3 objectives, stage forceps, live box insert, etc. on round weighted base in original case by R. B. Bate with trade label (21 Poultry) in the lid of the mahogany case measuring 21 x 17 x 6 cm. deep (functional lock and key). Well used with 80% original golden lacquer and 50% silvering to the 4 cm. one sided mirror, this microscope has good optics, excellent internal rack and and pinion to Read More...

Schyrle telescope circa 1780

The lens of 7/8″ diameter which is screwed-on the objective cell with protective outer slider. The taper barrel is fruitwood, the single draw is constructed in 4 segments. It has ‘rope effect’ brass work to the end cap, ojective slider and collars. Measurements: 10 inches closed, 16.5″ open. It gives a good, clear image. No cracks or dents. The lenses are damage free. Read More...