THE DEREK COHEN - WB0TUA TELEGRAPH COLLECTION (Samples)
W1TP TELEGRAPH AND SCIENTIFIC INSTRUMENT MUSEUMS: http://w1tp.com
Tom Perera - W1TP

These are a few sample pictures of Derek Cohen's telegraph keys.

Click on photographs then click "GO BACK" to return to text.

THE DEREK COHEN - WB0TUA COLLECTION (Samples)

    


  • BUNNELL - MARTIN FLASH KEY (Top View): (31KB)
    


  • BUNNELL - MARTIN FLASH KEY LABEL: (37KB)
    



  • BUNNELL - MARTIN FLASH KEY (End View): (33KB)
    



  • BUNNELL - MARTIN FLASH KEY (Damper): (31KB)
    

 UNKNOWN BUGS:

The following two bugs are of unknown manufacture.  Any information
would be appreciated by Derek Cohen.



  • UNKNOWN BUG # 1 (Top View): (27KB)
    



  • UNKNOWN BUG # 1 (Damper): (35KB)
    



  • UNKNOWN BUG # 1 (Dash Contact): (34KB)
    



  • UNKNOWN BUG # 1 (Mechanism): (42KB)
    



  • UNKNOWN BUG # 1 (Side View): (39KB)
    



  • UNKNOWN BUG # 1 (Switch View): (36KB)
    



  • UNKNOWN BUG # 2 (Top View): (31KB)
    



  • UNKNOWN BUG # 2 (Damper): (36KB)
    



  • UNKNOWN BUG # 2 (Paddle View): (35KB)
    



  • UNKNOWN BUG # 2 (Finger View): (34KB)

CONTACT INFORMATION

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Professor Tom Perera Ph. D. - W1TP
Professor Emeritus:
Montclair State University
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    COPYRIGHT NOTICE: (Copyright (c) 2023: Prof. Tom Perera Ph. D.)
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