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;
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...
A military plane's propellor rotations are seen from the side and from the front;
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 ...
Aboard a sailboat in the Toulon harbor, the Invention Department carries out underwater listening experiments directed by Jean Perrin.
A scientist does parachute rocket launch tests in a field. Then officers and Jules-Louis Breton examine the Delamormaz gun mechanism;