A scientist does parachute rocket launch tests in a field. Then officers and Jules-Louis Breton examine the Delamormaz gun mechanism;
In a field, soldiers, officers, civilians and Jules-Louis Breton, members of the Invention Department Committee, study the manoeuvrability of military equipment used to transport ammunition.
The Higher Invention Committee watches a Renault tank, armed with a 75mm gun, navigate rough terrain. Jules-Louis Breton gets to sit in the tank beside a soldier in charge of handling the gun;
In June 1919 at the Mailly military camp, tanks carry out traction tests on rough terrain while Marshal Pétain looks on.
The department of inventions, studies, and technical experiments on powders and explosives carries out test explosions off Toulon. The technical and scientific team prepares the experiment aboard a bo...
The Higher Invention Committee studies the cannon wheel invented by Captain Cordier, on muddy ground.
In Vincennes, the members of the Studies and Technical Experiments section of the Invention Department attend the test destruction of barbed-wire networks by a Latil tractor. In a meadow on the outski...
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 ...