Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
North Wales Development Company Limited (booklet)
The uses of North Wales slate waste for brick making, glass, pottery, tiles, rubber goods and cement making. 8 pages, with no illustrations.
Pwnc
Diwydiant
Rhif yr Eitem
1992.292/1
Derbyniad
Purchase, 2/12/1992
Mesuriadau
Meithder
(mm): 225
Lled
(mm): 140
Deunydd
papur
Lleoliad
In store
Categorïau
slate bricks & refractories other industries and man. glass making other industries and man. cement & lime other industries and man. miscellaneous non ferrous metal smelting Gwynedd (county name) 1910sDosbarth
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