The Lancashire coalfield : The Ravine Seam part 2 Carbonisation in continuous vertical retorts
Department of Scientific and Industrial Research.. Fuel Research Division1927
Book
Main title:
Work:
Imprint:
London : HMSO, 1927
Collation:
37p. : illus
Series title:
Local class:
WTN 813 L2 F9
Language:
English
Index terms:
Coal miningWigan
BRN:
4237444