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Morse Key - Marconi's Wireless Telegraph, circa 1902 Object Reg. No: ST 015473

Summary:
Marconi transmitting key, used for morse communication by radio. Made by Marconi, circa 1902.

Original Museum card states: 'used to demonstrate radio communication across Bass Strait 1905'.

This key might have been directly connected to the the keying relay (ST 15473) and the spark discharger (ST15463). The associated receiving setup may well have included the magentic detector (ST 15464), the telephone condenser (ST 15469) and the multiple tuner (ST 15459).
Description:
Brass morse key mounted on varnished wooden base with two brass terminals at end away from key and a brass knife switch in series with the fixed contact of the tapper. Underneath wooden cover missing. The swinging contact has a coil spring return.
Discipline: Technology
Dimensions: 85 mm (Height), 290 mm (Width), 150 mm (Length)

More information

Tagged with: telegraphy, morse keys, telegraph equipment, radio transmitting equipment
Themes this item is part of: Information & Communication Collection, Early radio: transmission and reception, 1900 - 1914
Primary Classification: COMMUNICATIONS
Secondary Classification: Radio
Tertiary Classification: receivers
Inscriptions: On key end of base: MARCONI'S WIRELESS TELEGRAPH Co. Ltd. 354
Manufacturer: Marconi's Wireless Telegraph Company Ltd, England, circa 1902

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