The Higher Invention Committee studies the cannon wheel invented by Captain Cordier, on muddy ground.
The Higher Invention Committee tests the solidity of the manganese helmets thought up by Doctor Pollack.
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.
Aerofoto kaevikute liinist Bauska-Riia maanteel Franzi (Franzhof, Franči) küla juures [1916].
Vene 33.Jalaväediviisi 131.Tiraspoli polgu telefonistid.
Palkidest meeskonnahooned metsas.
Vene 33.Jalaväediviisi suurtükibrigaadi suurtükk positsioonil Daugava jõe ääres Ükskülas (Ikškile).
Vene 33.Jalaväediviisi suurtükibrigaadi kindlusesuurtükk positsioonil.
Vene 33.Jalaväediviisi 131.Tiraspoli polgu ohvitser leitnant Lebedev telefoniga rääkimas.
Vene 33.Jalaväediviisi 131.Tiraspoli polgu ohvitser kapten Kutšerenko telefoniga rääkimas.
Paul Wegener (on the left) and company commanders of 202nd Reserve Infantry Regiment, December 26, 1914