Casgliadau Arlein

Amgueddfa Cymru

Chwilio Uwch

Testun rhydd

Rhif yr Eitem

Adnabyddiaeth

Pwnc

Artistiaid/Creadur

Lle

Categori

Cofnodion â delweddau yn unig

Nôl i Ganlyniadau

The Holman "Silver Three" Wet-Drilling Machine with "Autolock" Backhead (booklet)

National Coal Board Production Department

Information Bulletin No. 58/192. 3 pages and a diagram.

Pwnc

Diwydiant

Rhif yr Eitem

2018.42/149

Creu/Cynhyrchu

National Coal Board Production Department

Dyddiad: 1958

Derbyniad

Old stock, 26/1/2018

Mesuriadau

Meithder (mm): 331

Lled (mm): 204

Deunydd

cerdyn

papur

metel

Lleoliad

In store

Categorïau

coal 1950s

Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.

Eitemau cysylltiedig

Diwydiant

Drilling Methane Drainage Boreholes in Hard Strata with the Nüsse & Gräfer P.IV/6 Machine (booklet)

National Coal Board Production Department

2018.42/142

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Hausherr Drilling Rig (booklet)

National Coal Board Production Department

2018.42/79

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The possibilities and limits of Rotary Drilling in Carboniferous Strata (booklet)

National Coal Board Production Department

2018.42/44

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Water Tanks for Dust Suppression in Drilling (booklet)

National Coal Board Production Department

2018.42/131