Crystal Set Gallery 2

The rare Gecophone #2 (model 1501)
Photograph courtesy of Simon Wade
What is it?
What is this?Photograph courtesy of Jonathan Warburton-Brown
Brownie 2 and Speaker
Brownie Crystal Set and S G Brown horn speaker Type H IV
Photograph courtesy of Bob Balser
BTH Radiola
BTH Radiola

Photograph courtesy of Bob Balser
Trivia Quiz: What was a coherer?

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