The principles and techniques of mechanical guarding /
Griffin, William Gatewood.
The principles and techniques of mechanical guarding / [by William G. Griffin and Sheldon W. Homan. - Washington] : U.S. Dept. of Labor, Bureau of Labor Standards, 1959. - v, 58 p. : ill. ; 26 cm. - Bulletin (United States. Bureau of Labor Standards) ; no. 197 .
"Replaces Special bulletin no. 7, Suggested standards for industrial safeguards," issued in 1942 by the Bureau under its earleir name, Division of Labor Standards.
l 59000003
Machinery--Safety appliances.
TJ1177 / .G78
The principles and techniques of mechanical guarding / [by William G. Griffin and Sheldon W. Homan. - Washington] : U.S. Dept. of Labor, Bureau of Labor Standards, 1959. - v, 58 p. : ill. ; 26 cm. - Bulletin (United States. Bureau of Labor Standards) ; no. 197 .
"Replaces Special bulletin no. 7, Suggested standards for industrial safeguards," issued in 1942 by the Bureau under its earleir name, Division of Labor Standards.
l 59000003
Machinery--Safety appliances.
TJ1177 / .G78