236с
G.M.A. SEGTIONALISED
WITH AME"rf"ÄE&TS
AND
NEW GENERAL REGULATIONS.
SEVENTH EDITION: REVISED.
ARRANGED BY
WILLIAM T. MOLYNEUX,
Certified Colliery Manager, Knowles Gold Medallist,
Formerly Head of Mining Dept., Municipal Technical School, St. Helens.
price 5s.
THOMAS WALL AND SONS . LIMITED, THE SC1EXCB AND ART OF MIXIKU office, whjanv ENGLAND. 1937.
