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Two day marine chronometer by Thomas Mercer

Two day marine chronometer by Thomas Mercer Ltd, St. Albans, England, circa 1966.  4 inch silvered roman dial, minute tracking, and power reserve in 8 hour increments. Serial number: 25812 Dial signed: Thomas Mercer Fusee movement. Mahogany 3 part case with brass gimble, handles, and mounts. Locking arm and tipsy key.  Case with brass retailer’s label: C.L. Malmsjö & Co. of Gothenburg. Felt lined mahogany deck box with leather strap. (29 x 26 x 22 cm).   Height: 17.5 cm. Width: 19 cm Depth: 20 cm.   Thomas Mercer Ltd: established 1858 makers of chronometers, Read More...

Silver octant

A silver octant crafted from solid silver with hall marks. 100 grams. 15 cm x 9 cm. For decorative use. Read More...

Surgical travel set By John MILLIKIN C.1800

Surgical travel set By John MILLIKIN C.1800 Mahogany set with surgical saw , knife and scalpels and surgical instruments Read More...

Four Submarine Type Ceramic Baby Feeders

Four blue and white submarine type baby feeders all in good condition, for sale separately Read More...

SOLD – Antique Smith & Beck Student Model Wenham Binocular Microscope – c1864, Cased

Offered for sale is a collectable example of a mid-sized antique Wenham binocular brass microscope by quality makers Smith & Beck of London.   The instrument is numbered 3389 and bears the details of its makers Smith & Beck and their address at 6 Coleman Street, London on the Wenham optical tube.   Examination of the Smith & Beck delivery book available on the Quekett site gives the approximate date of manufacture and its first sale as 1864.  Unfortunately, details Read More...

A good equinoctial compass sundial – E.M. Clarke.

In good original condition, the chapter ring measuring 2.5 inches across, with folding gnonom and latitude bar, the silvered dial with needle and locking arm. Retains all lacquer and silvering. Contained in plush lined moroccon case with locking clasps. Edward Marmaduke Clarke was in business at 428 Strand from 1840 – 1851.   Read More...

Two Objects of Electrostatic Interest

1. Glass cylinder, one end with spike and the other a brass ball, set into wax, some losses. Glass cylinder has metal ends, one threaded, with holes either end possibly for introducing gas or evacuating air. 2. Very fragile and partly damaged metal foil covered paper in a roll, one end terminating with a glass rod, the other a brass rod. Marked in ink on handwritted small label ‘Electr. vlak 1820. Read More...

Chamberland Pasteur Filter

The Chamberland-Pasteur Filter was invent in 1884 by Charles Chamberland, and was used to remove bacteria from drinking water and to sterilise liquids. This example is marked on the lid ‘Sole Licensee and makers, Pasteur Chamberland Filter Co. 5, White Street Finsbury London. Tin box shows some losses to black paint and interior ‘modus operandi’ label is stained and discoloured. Read More...

F Bridges Phrenology Inkwell

A good, clean unrestored example of F Bridges phrenology inkwell, in good condition, marked and numbered for the sentiments. Noting very minor loss to tip of nose and and a faded marking for sentiment 16, conscientiousness. Read More...

Ceramic Phrenology Seal

A good example of a phrenology seal, the sentiments marked as numbers on the head with with description to base. In good overall condition noting minor restoration and discolouration of the nose. Read More...

SOLD – Small microscope in case, unusual stand. Pre RMS.

SOLD – A lacquered brass microscope with an unusual shaped base, the single pillar rising from the middle with a compass joint to the top allowing the user to tilt the microscope to the desired position. The monocular tube can be  raised and lowered via the rack wheel. It has a single sided mirror and a stage with fixed clips. The stage measuring just 53 mm x 41 mm. There are 3 pre RMS objectives but two are lacking their Read More...

FINELY CRAFTED RULE BY FRANCIS WATKINS

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...