Some suggestions on the safe handling of electric shovel trailing cables in open-pit mines.

Creator Personal:

Crawford, F. S.

Title:

Some suggestions on the safe handling of electric shovel trailing cables in open-pit mines.

Call Number:

P19466

Date:

1936

Description:

Serial issue. Issued as: United States. Bureau of Mines. Information circular, 6922 (1936:Nov.).

Subject Topical:

Mining machinery--Electric equipment., Mine safety., Electric cables., Coal mines and mining--Electric equipment.