Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
A New Silicious Filling Material (article)
Chemical Trade Journal & Chemical Engineer
(Publisher)
Reprint from the "Chemical Trade Journal and Chemical Engineer", November 8, 1919. Printed on ons side of sheet of paper. Content summary - Value of 'waste' products, mentions the North Wales Development Co.Ltd. and its powdered slate marketed under the name of "Myrtox"
Pwnc
Diwydiant
Rhif yr Eitem
1992.292/15
Historical Associations
Association Type: Slate quarries
Date: 1921
Place: Bethesda
Creu/Cynhyrchu
Derbyniad
purchase, 2/12/1992
Mesuriadau
Meithder
(mm): 340
Lled
(mm): 145
Deunydd
Paper
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.