(French) Sketches of extinguishing fires in which cases water and other chemicals are ineffective and even cause explosions, but sand serves as neutralizer, number 27
Created:
1939 - 1945
Contributed By:
University of Minnesota Libraries, Special Collections and Rare Books.
(French) Two bombs, because of their light weight, many are dropped at once and they are halted in attic spaces or high stories of buildings, number 26
Created:
1939 - 1945
Contributed By:
University of Minnesota Libraries, Special Collections and Rare Books.
(French) Graph of the description, physical effects, preventions against the blistering poisonous gases yperite and lewisite and means of protection, number 38
Created:
1939 - 1945
Contributed By:
University of Minnesota Libraries, Special Collections and Rare Books.
