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A Collection Of 11 Painted Mushroom Models, constructed of wood and plaster each with hand written label to the front and description to the unde...
An Early Post Office Telegraph Line Test Galvanometer, with brass plaque to arched top for 'P.O. 70' and silvered brass plaque to front for 'LINE ...
A GPO-Style Double Current Telegraph Key, stamped to vulcanite base 'A. T. M. Co Ltd, 3632 III 1917', with key contacts below a bevelled glass win...
An Unusual Telegraph & Reel Holder, engraved to front 'Excelsior, with 5 rotating drums with embossed letters and numbers, with large spring wound...
A Collection of Three Telegraph Sounders, largest on mahogany base with five brass connectors, sounder relay behind bevelled glass window, unmarke...
A Brass Telegraph Recorder,
A Brass Telegraph Recorder, c.1900, signed to front 'GAMEWELL MANUFACTURED by STANDARD PHONES AND CABLES LTD LONDON', on substantial cast iron bas...
A Large French Brass Recording Pressure Gauge, engraved to column 'INDICATEUR de PRESSION, PAR CLAIR', standing on large turned box wood stand, wi...
An Early BBC Transmission Technical Instruction Manual, faux black leather-covered binder with brass corner protectors, stamped to spine 'TECHNICA...
An Early BBC M-E.M.I. Transmission Technical Instruction Manual, faux black leather-covered binder with metal corner protectors, stamped to the sp...
A Varian TVT Instruction Manual for BBC1 & BBC2, in grey A4 ring binder, with early Xeroxed pages over 12 chapters, with earliest parts dated Octo...
Two BBC Related Reprints,
Two BBC Related Reprints, from the 'INSTITUTE of ELECTRICAL ENGINEERS' on 'THE B.B.C. SOUND BROADCASTING SERVICE ON VERY HIGH FREQUENCIES', dated ...
A Collection of Period Magic Lantern Slides of Early Baird & Bell Television Systems, with trade label to most slides for'Fry Ltd' 110 Pratt St, L...
A BBC Engineering Division Test Card Monograph, titled 'Number 69: September 1967, A survey of the development of television test cards used in th...
A BBC Engineering Division Test Card Monograph with 26 Test Card Photographs, the booklet titled' Number 69: September 1967, A survey of the devel...
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