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Scrimshaw watch holder in wood with bone inlay made circa 1890

Watch holder in sperm whale teeth and wood with bone inlay. It consists of a rectangular wooden base resting on four small turned bone feet. The top of the base is inlaid with bone fillets and wood pellets as well as two crossed flags (French and English) with the legend “ROMEO N.Y.” underneath. Two sperm whale teeth are engraved on both sides of the base. The one on the left is engraved with the Statue of Liberty, with the French and American Read More...

Cruise Scotometer

The scotometer was introduced in the first decade of the last century by Sir Richard Cruise, an eminent British ophthalmologist, who, among his other honors was eye doctor to George V and Queen Mary from 1918 to 1936. Scotometers are used for detecting blind spots in the visual field. Dixey is a 200-year-old London optical firm that now only sells spectacles but  early in the last century they manufactured instruments as well. The scotometer is not ivory but rather Read More...

Black Friday Sale – Dudley Adams Mini Theodolite – Circa 1800

I have meaningfully discounted (10% to 40% 0ff) a good number of my nicer instruments – please check out my Black Friday Sale at:   Black Friday 2023 I’ve updated my website to include ancient surveying instruments (1500 to 1800). The update includes a good deal of information related to the evolution of surveying instruments during that time period. The update also includes information regarding some of the important instrument makers during the period – this new section is still a Read More...

Curta Type 1 Calculator

Curta Type 1 calculator in very good condition in original case. Finish shows sign of very light use. Marked with the company name ” I C Ltd Test Dept. I have attached a screenshot from Curtamania which shows the date as of manufacture as October 1951 together with other details. Read More...

Eighteenth Century Pewter

Good pewter “Bubby” pot c1780. This early baby feeder is in good condition with a pleasing patina. There is an old fracture to the top of the feeding spout and some wear to the base as in the images. Read More...

A Cased 1800s Tortoiseshell & Tinted Blue Glass Spectacles.

These 1800’s spectacles are in very good condition.,  Their short tapered side arms were made to grip the temples. 2 small pin holes could have held cord to put around the head . The red leather case is original but tatty. There is no makers name. Read More...

Early Georgian Silver Wig Spectacles in a Shagreen Case.

These 1750’s Silver Wig Spectacles are in great condition. They are unmarked, apart from the number ‘8’ on one of the arms.  They are in a their Shagreen case of the same date. The case has small splits on its hinge. The catch just catches. Read More...

A cased pair of 1830’s Tortoiseshell & tinted glass spectacles.

These are in great condition & have been in my collection for over 20 years. Read More...

three draw telescope.

19th century telescope measuring 82 cms long fully open and 29 cms when closed with an objective aperture of 32 mm. It has an end cap and eye-piece dust slider. Magnification is 20 x. Very clean giving a fine, sharp image.   Read More...

MARQUOIS SCALES SET

The box contains a boxwood square and two boxwood rules. The scales on the rules range between 20 and 60 with matching offsets.  Manufactured by W Cox Devonport.  It has an additional name Charles Schofield, who was  probably the owner. One offset has a chip on one edge Read More...

~FINE BALEEN COVERED, NICKEL SILVER TELESCOPE BY ROSS c. 1830~

A fine 1 3/4 inch OG refractor by Ross c.1830. Early script signature in the Georgian style ” A. Rofs, London”, this four (4) draw telescope has spectacular optics ( at least 20 X magnification). The body is constructed of nickel silver /electrum with a baleen cover (flawless). The draws are nice and tight, extendable sun shade and OG lens cap. The opposite end has a flip type ocular lens cover. Faults: slight dent to sun shade with the Read More...

Microscope cloth counting glass by J. Casartelli & Son

Microscope cloth counting glass by J. Casartelli & Son of Manchester. Circa 1910. In original black leather case with satin and velvet lining. Marked: J. CASARTELLI & SON SALFORD.6. Rd 523462. Registered design number: 523462 (1909). Scales divided in to: 0 – ¼ – ½ – 1 inch. and 1 – 10 mm. Base marked: 23. Case dimensions: 6.5 x 5.5 x 3.5 cm. Read More...