Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Holman drill, lantern slide
Holman cradle-hammer drill. The Holman C.Hows much to the actual experience of its predecessor under the various conditions of practical mining, and consequently certain details have been modified, and an even more perfect form of maching has been evolved.
Pwnc
Diwydiant
Rhif yr Eitem
87.18I/228
Derbyniad
collected officially, 1987
Mesuriadau
Meithder
(mm): 82
Lled
(mm): 81
Techneg
Black and white (slide)
Slide
Deunydd
Glass
Lleoliad
In store
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.