The Invention Department's aeronautic technical committee and Edmond Rothé place an electric-oscillation anemometer under an elongated tethered balloon with low cubic volume. The method uses only one...
Artillery tests at the Campo Militare of San Maurizio (San Maurizio Canavese, Torino): howitzers and mortars charging, pointing and firing.
2. Teil: Anfertigung von Minenwerferrohren Bild: Vorwärmen des Stahlblocks im Schmelzofen; Vorschmieden des erwärmten Blocks unter dem Dampfhammer; Abschlagen der Blockenden; Ausschmieden des untere...
'La Petite Martyre Belge' vertelt het verhaal van de jonge Belgische martelares die haar goede bedoelingen met de dood bekoopt. Het eerste en laatste deel van de film zijn geënsceneerd. Het middelste...
A military plane's propellor rotations are seen from the side and from the front;
Soldiers are taught to use the Lewis Machine Gun, a fixed mount weapon, during military training using pictures.
During World War I, soldiers transport 75 mm field guns, towed by horses across the countryside, then begin shooting.
A plane drops bombs from different altitudes to study the trajectory of the projectiles and calculate the freefall time.