Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Richard Thomas & Baldwins Ltd., letterhead
Richard Thomas & Baldwins Ltd. Engineering Department, Spencer Works. Black and blue print on white paper with date typed in black. Dated 30th April 1965. Letterhead cut from original letter.
Pwnc
Diwydiant
Rhif yr Eitem
2003.21/143
Mesuriadau
Meithder
(mm): 86
Lled
(mm): 203
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