Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Marconi, photograph
Photograph of the transmitting apparatus and Morse Inker used for the Lavernock-Break Down demonstration of wireless telegraphy for the first time across water in May 1897, being inspected by three Post Office Officials associated with the occasion. Typed caption on reverse identifies the men as being, from left to right, Mr G.N. Partridge, Superintending Engineer, Mr H.C. Price, Engineer, and Mr S.E. Hailes, Lineman. Photographers stamp on reverse.
Pwnc
Diwydiant
Rhif yr Eitem
34.219/32
Derbyniad
Donation, 20/4/1934
Mesuriadau
Meithder
(mm): 155
Lled
(mm): 205
Techneg
black and white (monochrome photograph)
photograph
Deunydd
papur
Lleoliad
In store
Dosbarth
communicationNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.