Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Sketch, Experiments between Lavernock & Flatholm, photograph
Photograph of a sketch illustrating experiments between Lavernock and Flatholm Island in May 1897. Shows the apparatus used by Marconi in wireless transmission on experiments from Lavernock in 1897.
Pwnc
Diwydiant
Rhif yr Eitem
68.153/2
Mesuriadau
Meithder
(mm): 148
Lled
(mm): 211
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