The Higher Invention Committee tests the solidity of the manganese helmets thought up by Doctor Pollack.
On May 18, 1918 in Saleux, the German Elfriede tank is introduced to Under-secretary of State for Inventions Jules-Louis Breton. British Officers and soldiers are also present. From July 1st through 5...
While attentive and amused members of the Higher Committee of the Invention Department are watching from aboard a fishing boat, a man tests the effectiveness of a wetsuit in a pond. Submitted to milit...
Aboard a sailboat in the Toulon harbor, the Invention Department carries out underwater listening experiments directed by Jean Perrin.
The Higher Invention Committee attends kite flying and watches an airship in the sky.
Soldiers are taught to use the Lewis Machine Gun, a fixed mount weapon, during military training using pictures.
The Invention Department tests Gabriel Voisin's inflatable hangar. Inflatable in less than one minute, it is submitted to military authority for use by soldiers. When inflated, a huge tarpaulin connec...
Jules-Louis Breton and the members of the Invention Department Studies and Technical Experiments Section attend flame-thrower tests in a field and in a trench.