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History of the manufacturer  

Cohen, Leo G., Melbourne Vic.

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Name: Cohen, Leo G., Melbourne Vic.    (AUS)  
Abbreviation: cohen
Products: Model types

Manufacturer of the Semi-Automatic Morse Key "Simplex Auto". In 1923 it was adopted by the Postmaster-General's Department as a standard sending aid for the Commonwealth of Australia and was also extensively used in Railway Telegraphic Services.

Founded: 1920
Closed: 1939

His full name was Leopold Gilbert Cohen and he was born in Kalgoorlie on the 11 august 1900. He worked for the PMG department in Victoria until his death in 1954.

This manufacturer was suggested by Bernd P. Kieck.

Some models:
Country Year Name 1st Tube Notes
AUS  34 Simplex Auto 5th Model   The Simplex Auto is a semi-automatic bug key or a RIGHT-ANGLE morse code transmitting bug ... 


Further details for this manufacturer by the members (rmfiorg):