List of manufacturers of permissible equipment and explosion-proof accessories, as of January 1, 1930 /
by L. C. Ilsley.

APA Citation

Ilsley, L. C. (Lee Clyde)., United States. Bureau of Mines. (1930). List of manufacturers of permissible equipment and explosion-proof accessories, as of January 1, 1930. [Washington, D.C.]: Dept. of Commerce, United States Bureau of Mines.

MLA Citation

Ilsley, L. C. (Lee Clyde), 1880-, and United States. Bureau of Mines. List of Manufacturers of Permissible Equipment And Explosion-proof Accessories, As of January 1, 1930. [Washington, D.C.]: Dept. of Commerce, United States Bureau of Mines, 1930.

Warning: These citations may not always be complete (especially for serials).