Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Slide rule
F.Robson & Co.
(manufacturer)
Slide Rule for converting the dimensions of a steel billet to its weight.
Pwnc
Diwydiant
Rhif yr Eitem
86.25I/2
Historical Associations
Association Type: Steelworks
Lle: East Moors iron and steelworks
Creu/Cynhyrchu
Derbyniad
donation, 5/2/1986
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.