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...
In 1917 in Seyne, members of the Invention Department technical assault artillery division attend the 1A tank tests on steep terrain. The machine then crosses wide trenches and ditches before passing ...
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...
In June 1919 at the Mailly military camp, tanks carry out traction tests on rough terrain while Marshal Pétain looks on.
In a field, soldiers, officers, civilians, and Jules-Louis Breton, members of the Invention Department Committee, study different types of machine guns designed to be fired at tanks.
A group of officers and civilians attends the assembly and test-firing of the 240mm Trench Mortar.
As part of a Higher Committee organized by the Invention Department, mechanics attach a wheel then couple a gun to Lieutenant Breton's tank.
During the war, from 1914 to 1918, a cable-operated funicular railway built by the company Etcheverry is loaded with boxes of ammunition and tested in the open countryside at ground level and over wat...
“Zeissi” kaugusmõõdik.
Montage of a cannon.