Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Dry Cleaning of Coal B.S.C. Process (booklet)
A booklet on the 'Dry Cleaning of Coal B.S.C. Process by the Coppee Co. (Great Britain), Ltd." Black card cover with gold stamped details. In the top right hand corner there is a red and white sticker with '150' handwritten in the centre. Inside: white pages and black printed text, three black and white photographs and three drawings.
Pwnc
Diwydiant
Rhif yr Eitem
83.167I/71
Mesuriadau
Meithder
(mm): 257
Lled
(mm): 195
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