Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Marconi's letter of introduction, photograph
Photograph of the letter of introduction and card presented by Marconi on his first visit to Mr. Preece. Letter to Mr. Preece the Engineer in chief of the GPO in 1896, from A.A. Campbell Swinton of 66 Victoria Street, London. Typed paper stuck on back with pink copyright stamp in left hand bottom corner. The original letter is in the official archives of the Post Office.
Pwnc
Diwydiant
Rhif yr Eitem
34.219/31
Creu/Cynhyrchu
unknown
Dyddiad:
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.