Machine tools and their hazards.
Homan, Sheldon William.
Machine tools and their hazards. - [Washington, U.S. Govt. Print. Off., 1951] - v, 34 p. illus. 23 cm. - U.S. Bureau of Labor Standards. Bulletin, no. 129 . - Bulletin (United States. Bureau of Labor Standards) ; 129. .
l 51000131
Machine-tools.
Machinery--Safety appliances.
TJ1185 / .H67
621.9
Machine tools and their hazards. - [Washington, U.S. Govt. Print. Off., 1951] - v, 34 p. illus. 23 cm. - U.S. Bureau of Labor Standards. Bulletin, no. 129 . - Bulletin (United States. Bureau of Labor Standards) ; 129. .
l 51000131
Machine-tools.
Machinery--Safety appliances.
TJ1185 / .H67
621.9