Search U.S. government technical reports digitized or harvested by TRAIL.
Magazines and thaw houses for explosives
Investigations of fuse and miners' squibs
Permissible explosives :tested prior to January 1, 1917
Sensitiveness of explosives to frictional impact
Permissible explosives, mining equipment, and apparatus, approved prior to March 15, 1922
Progress of investigations on liquid-oxygen explosives
Record of the Pittsburgh testing station standard dynamite
Preventing accidents by the proper use of permissible explosives