Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Envelope
Full title - New Beam System England and Australia, April 7, 1927. Envelope and folded slip of paper that orignally contained 34.219/4 (1).
Pwnc
Diwydiant
Rhif yr Eitem
34.219/4 (2 - 3)
Historical Associations
Associated Person/Body: Marconi, Guglielmo (Signor)
Association Type: Associated person
Date: 07/04/1927
Associated Person/Body: Kemp, George S.
Association Type: Associated person
Date: 07/04/1927
Derbyniad
donation, 20/4/1934
Mesuriadau
Meithder
(mm): 95
Lled
(mm): 120
Deunydd
Paper
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.