Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Scale rule
unknown
(manufacturer)
Scale rule, probably made by Sydney Blakoe, comprising light and dark plywood squares, each square has a central pin hole. 2001.5/208-211stored originally in bottom drawer of small chest 2001.5/6.
Pwnc
Diwydiant
Rhif yr Eitem
2001.5/208
Historical Associations
Associated Person/Body: Renolds Chains
Association Type: Company name
Dyddiad: 1947
Creu/Cynhyrchu
Derbyniad
donation, 2/1/2001
Mesuriadau
Meithder
(mm): 288
Lled
(mm): 43
Uchder
(mm): 7
Deunydd
pren
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.