Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Modern ideas on Rock Drifting in Germany (booklet)
Translation of an article entitled 'Neuzeitliche Gesichtspunkte für das Auffahren von Gesteinsstrecken' which is supplement to a lecture given by Dipl.-Berging. Walter Müller at the General Meeting of the Association of German Metal Foundry and Mine Experts on September 12th 1953. Information Bulletin - N.C.B Translation No. A610/AB. 12 pages with appendices and table.
Pwnc
Diwydiant
Rhif yr Eitem
2018.42/67
Creu/Cynhyrchu
National Coal Board Production Department
Dyddiad: 1953
Derbyniad
Old stock, 26/1/2018
Mesuriadau
Meithder
(mm): 331
Lled
(mm): 204
Deunydd
cerdyn
papur
metel
Lleoliad
In store
Dosbarth
geologicalNid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.