L

L. C. Ilsley

7 books found

Books by L. C. Ilsley
Permissible coal-cutting equipment approved prior to July 1, 1932L. C. Ilsley
⏱ 2h 9m

Permissible coal-cutting equipment approved prior to July 1, 1932

L. C. Ilsley

1934129 pp.
Permissible coal-handling equipment approved from January, 1926, to December, 1930, inclusiveL. C. Ilsley
⏱ 1h 31m

Permissible coal-handling equipment approved from January, 1926, to December, 1930, inclusive

L. C. Ilsley

193191 pp.
Permissible electric mine lampsL. C. Ilsley
⏱ 39m

Permissible electric mine lamps

L. C. Ilsley

193039 pp.
Rubber-sheathed trailing cablesL. C. Ilsley
⏱ 53m

Rubber-sheathed trailing cables

L. C. Ilsley

193253 pp.
Inspection and testing of mine-type electrical equipment for permissibilityL. C. Ilsley
⏱ 23m

Inspection and testing of mine-type electrical equipment for permissibility

L. C. Ilsley

195423 pp.
Approved electric lamps for minersH. H. Clark
⏱ 59m

Approved electric lamps for miners

H. H. Clark

191759 pp.
Flame safety lampsJ. W. Paul
⏱ 3h 32m

Flame safety lamps

J. W. Paul

1924212 pp.