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An Orrery Lantern Slide

An Orrery lantern slide in good condition Read More...

A Large Brass Chondrometer by Corcoran

A large brass chondrometer or corn scale by Corcoran, conforming to Act of Parliament 1 January 1826 Read More...

“Iron” Microscope Powell & Lealand (c.1848)

This is an example based on the Lister frame, made by Powell & Lealand and retailed by Carpenter. It is known as the \\\”Student\\\” or \\\”Iron\\\” as the stem and frame are made of black iron. Although most of these examples only have coarse focusing, this one also has fine focusing. The focusing screw activates a pinion which acts on a rack which is built inside the body tube itself. Ross and, especially, Dancer, used the same focusing system Read More...

C1800 Agate Pocket Tinder Box

A fine c1800-agate-p0cket tinder box. The striking surface is steel and the frame holding the stone is brass. Very good overall condition, noting a barely visible hairline on the the top surface. The horizontal white line across the top of the second image is flash refection–see images. The box would have contained a flint and some bits of cotton rag for tinder. Length of box: 4.5cm.  The next-to-last image shows three similar tinder boxes and is taken from Cacciandra Read More...

Smart Pair of Opera Glasses by The London Stereoscopic Company

A smart pair of folding opera glasses by The London Stereoscopic Company, 106 & 108 Regent St. W. Covered in tan leather with silk side panels. Read More...

Eighteenth Century Compass Dial

An Eighteenth Century Compass Dial, unsigned, with feathered decoration, brass. Compass rose, paper on inside of lid, condition good Read More...

Late 18th Century Large Ebony Parallel

A late eighteenth century large ebony parallel, with brass hing, in good condition noting one small brass peg missing. Read More...

Marine telescope – W. Gregory, Strand.

A single draw taper barrelled marine telescope signed, ‘ W. Gregory, 51 Strand, London’ Extended, it measures 25.5″ (65 cm) and when closed 19.25″ (49 cm). The main lens has a clear aperture of 4.3 and gives a clear, sharp image. It comes with a later wooden display stand. Circa 1835. Read More...

SOLD – Marine telescope by Harris & Co,

SOLD – A single draw marine telescope with a leather covered barrel with attached brass badge reading, ‘Harris & Co, London’. The company worked from 1813 – 1839. Extended, it measures 27″ (69 cm) and when closed 19″ (48 cm). The main lens has a clear aperture of 1.25″ with a magnification of 18 x. It gives a clear, sharp image. There are eye sliders at each end. It comes with a later wooden display stand. Read More...

Rare three Spectacle shagreen Case

A rare three spectacle shagreen case in good condition noting one piece 1.5 cm sq. missing on one side. Silver cartouch on top initialled for owner ‘AE’ Read More...

PROTRACTORS

BRASS PROTRACTORS late nineteenth to early twentieth century. 1. L.casella,London 360 degree 6 inch diameter 2. Unsigned, 180 degree 8 inch diameter 3. Nickel, stamped U. S. E. D., six inch diameter 180 degree 4. Franz Kuhlmann, Rustringen, brass, six inch diameter 180 degree 5. Signed for owner, G. Stirling, brass 360 degree, six inch diameter Read More...

A large brass theodolite by Casartelli, Manchester.

A large, late Victorian, brass theodolite engraved on one of the upright ‘A’ frames, ‘Casartelli, Manchester’. It stands 14 inches high on the the wooden plinth, the vertical plate has a diameter of 5.5″ and the horizontal plate 6.5″. The compass dial is 3.5″. The instrument stands on a four screw adjustable base and there are various bubble levels, all intact. The telescope gives a clear inverted image with intact cross-hairs. Contained in large mahogany case. Read More...