Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Compass
Natural Sine miners compass used to determine dips in seams etc. Probably a copy of a late 19th century original. In replacement box made from matchsticks (2001.1/665).
Pwnc
Diwydiant
Rhif yr Eitem
2001.1/664
Mesuriadau
Meithder
(mm): 85
Lled
(mm): 73
Uchder
(mm): 41
Pwysau
(g): 527.6
Dosbarth
surveyingNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.