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A Small Wimshurst Electrostatic Machine by Bing, c.1900, German, unsigned, enamelled cast iron base, glass leyden jars, 8" contra rotating ebonite...
A Magic Lantern Kaleidoscope & Slide, c.1900, English, body engraved 'C & F Darker, Patentee's London' brass body incorporating two angled mirrors...
A David Brewster Kaleidoscope by Robert Banks, c.1830, English, lacquered brass body on folding brass stand, with three cells, crown and Prince of...
A Thames Tunnel Company Admission Ticket, bearing the signature of 'Mark Isambard Brunel' and 'Joseph Pinchbeck' (company's chief mechanical engin...
A Rare Set of Napier's Bones,
A Rare Set of Napier's Bones, c.1885, French, Les Reglettes Neperiennes by Genaille and Lucas, ten wooden rods with printed paper scales, in origi...
Spectacles - An Unusual Pair of Oversized Pince-Nez, 19th Century, possibly English, for display purposes, plain glass with wire frames, width 17....
Six Pairs of Tortoiseshell Spectacles, all 19th Century, English (6)
A Leicaflex Tandem Coupling Device,
A Leicaflex Tandem Coupling Device, 14185, complete with two 14175 cables for remote supply, 14177 remote release with built-in counter and variou...