War news: trying out a new gas mask that "goes on in a second" and a speed test; visit by Raymond Poincaré in Noyon and in the surrounding villages; the Prince of Wales presents the Badge of the Orde...
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;
Aboard a sailboat in the Toulon harbor, the Invention Department carries out underwater listening experiments directed by Jean Perrin.
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.
The Higher Invention Committee examines the Chilowsky shrapnel to increase the power of projectiles.
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...
Aboard a small boat pulled by a tugboat in the Toulon harbor, Jules-Louis Breton and some members of the Invention Department Technical Engineering Committee try out underwater goggles to find a subma...
The Higher Invention Committee attends anti-torpedo test-firing beside a lake.