Summary
Coherer and tapper, manufactured by Marconi's Wireless Telegraph Coy. Ltd. Possibly includes a second coherer marked 018546.
Part of set:
ST 18546 Coherer And Tapper, Marconi
ST 18546.1 Coherer Based Detector Assembly - Marconi, Radio Receiver
ST 018546.2 Coherer And Tapper, Marconi
ST 018547 Morse Inker - Marconi, Radio Receiver
ST 018548 Morse Recorder Reel - Marconi, Radio,
ST 018549 Morse Key - Marconi's Wireless Telegraph
ST 018550 Condenser - Marconi, Radio,
ST 018551 Induction Coil - Marconi, Radio,
ST 018552 Transmit or Receive Mode Switch - Marconi, Radio,
The set should contain a jigger, which might be.ST 021412 (possibly made at Melbourne University Engineering School).
Physical Description
Set comprises coherer (connected to 1 of 9 cells), small tubular copper condenser, one relay (connected to 8 of 9 cells),one jigger (oscillation transformer )(not original). All components are mounted on a wooden base, as well on which is a tin foil condenser, chokes, 5 resistors and 2 shunts.
More Information
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Collecting Areas
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Acquisition Information
Donation from A. Nancarrow & Co, 30 Apr 1931
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Manufacturer
Marconi Wireless Telgraph Co. Ltd, London, Australia, circa 1906
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Manufacturer of Component
Engineering School, University of Melbourne (The), Parkville, Greater Melbourne, Victoria, Australia, circa 1906
Jigger was made at Melbourne University Engineering School. -
Inscriptions
On base: Marconi's Wireless Telegraph Coy. Ltd., / Patent no. 1730. 1905. No. 1048.
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Brand Names
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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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Exhibition Collection Management
265 mm (Length), 572 mm (Width), 184 mm (Height)
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Keywords
