Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Face performance calculator
Face performance calculator used at Wolstanton Colliery. Plastic circular base with six rings of figures at intervals, covered by clear plastic. In centre of calculator is moveable clear plastic rider with markings, secured by brass stud. Instructions for use printed on reverse of calculator.
Pwnc
Diwydiant
Rhif yr Eitem
1994.177/2
Creu/Cynhyrchu
Smiths (Calculators)
Dyddiad: 20th century
Derbyniad
Purchase, 3/11/1994
Mesuriadau
diameter
(mm): 192
Meithder
(mm): 200
Deunydd
plastic
metel
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.