Method of punching hole for electric blasting cap
Great Smoky Mountains National Park
Pictorial Report of Means and Methods of Handling Explosives in Emergency Conservation Camps... Submitted November 27, 1934. Method of puching hole for electric blasting cap--with wooden peg,Dynamiting, IV-Z-13512, Miscellaneous
Men leaving for shelter under highway bridge
Great Smoky Mountains National Park
Pictorial Report of Means and Methods of Handling Explosives in Emergency Conservation Camps... Submitted in November 27, 1934. Men leaving for shelter under highway bridge. The following warning is given: The cry of fire! before charge are connected to lead wire, and all men except powderman leave for protection... A flagman is stationed at a safe distance from blast on all travelled highways or trails to stop traffic. The cry of fire! is given when powderman sees that all men are in clear; lead wire is then connected to charges and powderman proceeds to his protection with battery. The cry of fire given when lead wire is connected to battery... and after waiting a half minute, it no warning is given the blast is made.Dynamiting, IV-Z-13510, Miscellaneous
Generously Supported By
