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One of a group of orders, medals and badges awarded to Sir Alexander Fleming, discoverer of penicillin, Lapel Bouton, Order of Honour and Merit, Cuban Red Cross
Slide rule (ordinary form) in brown leather case, part of a collection of geometrical models and surveying and mathematical instruments, used to calculate the weight of a cubic foot of a variety of metals, wood, cement and pure water and the ultimate strength in lbs, maker unknown, late 19th - e. 20th Century
One of a group of specimens of telephone apparatus - a table pattern telephone suitable for use on central battery systems, 1910 - 1930
Wireless telegraph trench set transmitter, continuous wave Mark III*, No. 3470. made at the Wireless Telegraph Factory, Soho
Typewriter, Empire Model 2, serial number 104562, with two shift keyboard, 30 keys and thrust action type, manufactured Montreal, Canada, 1914 - 1922
Electric telephone set consisting of an electric bell, microphone, bell push, earpiece and switch hook mounted on a wooden base
Keith line switch, smaller section, part of group of Keith line switches with master switch from original Strowger automatic telephone equipment at the Official Switch Exchange, London, 1912 - 1939
Hughes teleprinting apparatus, G.P.O. No. 85, consisting of combined transmitting and receiving apparatus mounted upon a mahogany board
Sectioned piece of the concentric trunk telephone cable, made by Standard Telephone and Cables, laid between London and Oban for T.A.T.1, mounted vertically in a glass tube on a wooden base, 1955
Hand telephone set, c. 1900, with the handset on a cradle above the instrument which rests on the magnets of the magneto generator, and designed for table mounting
"Sample of 30 Line Baird Television Transmission (copy of a recording of an actual transmission)", 12-inch 78 rpm gramophone record of probably the earliest surviving recorded video signals of c. 1926, the British Broadcasting Corporation
"Sample of 30 Line Baird Television Transmission (copy of a recording of an actual transmission)", 12-inch 78 rpm gramophone record of probably the earliest surviving recorded video signals of c. 1926, the British Broadcasting Corporation
Crystal wireless receiving set made in Great Britain, with the brand name Midge and Post Office approval number 902
Solar UV spectrometer, prototype instrument for the experiment on the NASA Orbiting Solar Observatory, made by the Mullard Space Science Laboratory in Surrey, 1969