Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Post Office Green Paper
Post Office Green Paper No.5 - "Short History of the Telegraph". 13 pages with black and white photographs between each page of print.
Pwnc
Diwydiant
Rhif yr Eitem
91.46I/2
Derbyniad
Collected officially, 11/9/1991
Mesuriadau
Meithder
(mm): 249
Lled
(mm): 188
Deunydd
papur
metel
Lleoliad
In store
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