Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Marconi, photograph
Transmitting apparatus and morse inker used by Marconi for the Lavernock to Brean Down demonstration of wireless telegraphy for the first time across water in May 1897. Inspected by three Post Office officials (identified as being Mr G.N. Partridge, Superintending Engineer, Mr H.C. Price, Engineer, and Mr S.E. Hailes, Lineman). Mounted on discoloured cream card.
Pwnc
Diwydiant
Rhif yr Eitem
85.64I
Derbyniad
Collected officially
Mesuriadau
mount
(mm): 305
mount
(mm): 255
mount
(mm): 410
mount
(mm): 375
Techneg
sepia (monochrome photograph)
photograph
Deunydd
papur
cerdyn
Lleoliad
In store
Dosbarth
communicationNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.