Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Some tests on Yielding Props in German Collieries (booklet)
National Coal Board Production Department
(Publisher)
Translation of an article entitled ' Ergebnisse nauer Untersuchungen an Stempeln Verschiedener Abbaustreben' by Oberbergrat Otto Kuhn which appeared in Glückauf, 88 (1952), No. 25, 26. Information Bulletin. 6 pages.
Pwnc
Diwydiant
Rhif yr Eitem
2018.42/52
Creu/Cynhyrchu
Derbyniad
old stock, 26/1/2018
Mesuriadau
Meithder
(mm): 331
Lled
(mm): 204
Deunydd
Card
Paper
Metal
Lleoliad
In store
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