Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Scale rule
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
Mesuriadau
Meithder
(mm): 288
Lled
(mm): 43
Uchder
(mm): 7
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.