Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Letter re patent specification
Letter sent to from The Cross Foundry and Engineering Company Ltd., Gorseinon to Wm. D. Jones, Chartered Patent Agent of St. Mary Street, Cardiff. Dated 22nd March 1957. Relates to patent on an invention for the prevention of internal scale forming in an ingot mould. Carbon copy of typed letter on reverse of The Cross Foundry & Engineering Co. Ltd. headed paper.
Pwnc
Diwydiant
Rhif yr Eitem
2005.149/27
Mesuriadau
Meithder
(mm): 254
Lled
(mm): 203
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