Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Thirty Years of Wireless (booklet)
A history of wireless to celebrate the thirtieth anniversary of the first wireless signal to be received across the Atlantic Ocean. 10 pages, with 10 black and white photographs.
Pwnc
Diwydiant
Rhif yr Eitem
34.219/14
Creu/Cynhyrchu
Marconi International Marine Communication Co. Ltd
Dyddiad: 1931
Derbyniad
Donation, 20/4/1934
Mesuriadau
Meithder
(mm): 225
Lled
(mm): 145
Deunydd
papur
Lleoliad
In store
Dosbarth
communicationNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.