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A rare Kryha-Liliput cipher machine, German, circa 1930,the velvet lined leather case fitted with watch-form nickel-plated cipher case together wi...
A Smith, Beck & Beck stereoscopic viewer, English, circa 1865,signed Smith, Beck & Beck London 740, the walnut cased stereoscope with lacquere ...
A J. W. Watt & Co patent brass and mahogany copying apparatus, English, late 18th century,the diametric-linear cut brass rollers on shaped fixed ...
A large Ross compound binocular microscope, English, 1880's,signed Ross London No. 5352, the Ross-Zentmayer type stand with focusing by rack and p...
A W. Watson Bactil Binocular Microscope, English, 1950's,No. 110483, in wooden carrying case with six oculars, six objectives and two condenser...
A collection of surveying and meteorological instruments, late 19th and early 20th century, (qty)
A collection of surveying and meteorological instruments, late 19th and early 20th century,including a double parallel ruler, a Smeeth's Transit ...
A collection of eighteen Geissler and Crooke's glass tubes, late 19th and early 20th centuries, ...
A collection of eighteen Geissler and Crooke's glass tubes, late 19th and early 20th centuries,of various designs, colours and shapes, together w...
A Parkins & Gotto's Electrical Cabinet, English, circa 1905,the mahogany case with hinged lid opening to interior fitted with a set of six glass...
A Fraser mercury thermometer, English, early 19th century,signed Fraser Bond St. London, with silvered brass scale and mercury capillary tube in g...
A W. & S. Jones thermometer, English, early 19th century,signed W. S. Jones, Holborn, London, the bow fronted and glazed mahogany wall case with ...
A S. Holdsworth travelling thermometer, English, early 19th century,signed S. Holdsworth, New Wells, Wakefield, the silvered brass scale and merc...
A Davis sympiesometer, English, circa 1840,signed Davis, Leeds improved sympiesometer, the silvered brass scale mounted with tube of hydrogen and ...
A Joseph Somalvico thermometer, English, early 19th century,signed Josph Somalvico, London, with mercury capillary tube and silvered brass scale,...
A FLUIDYNE STIRLING CYCLE HOT AIR ENGINE DESIGNED BY HARWELL IN THE EARLY 1970S AS A LOW TECH EAS...
A FLUIDYNE STIRLING CYCLE HOT AIR ENGINE DESIGNED BY HARWELL IN THE EARLY 1970S AS A LOW TECH EASILY MADE WATER PUMP WITH NO MOVING PARTS FOR MAJO...
An early 20th century brass and glass medical cabinetmanufactured by John Weiss & Son Ltd fitted with two removeable brass trays for scalpels and ...
An early 20th century French mahogany stereoscopic viewer table top cabinetthe stepped moulded cabinet with plated carrying handles, the lower sec...
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