Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
A New Silicious Filling Material (article)
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
Derbyniad
Purchase, 2/12/1992
Mesuriadau
Meithder
(mm): 340
Lled
(mm): 145
Deunydd
papur
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.