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 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).
Physical 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.
More Information
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Collecting Areas
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Acquisition Information
Purchase
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Manufacturer
Marconi's Wireless Telegraph Company Ltd, England, Great Britain, circa 1902
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Inscriptions
On key end of base: MARCONI'S WIRELESS TELEGRAPH Co. Ltd. 354
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Classification
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Category
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Discipline
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Type of item
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Overall Dimensions
150 mm (Length), 290 mm (Width), 85 mm (Height)
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Keywords
Morse Keys, Radio Transmitting Equipment, Telegraph Equipment, Telegraphy
