Slate refers to Leinweber brothers helicopter in Chicago. View of their helicopter being moved out of a hangar in 1922. Closeup of helicopter controls being demonstrated. Next, a helicopter of M. Douheret, of France, is shown in 1919. Men stand nearby and watch its rotors turn in the breeze. Engine cylinders are clearly visible. Pilot sits in the machine and adjusts controls. Next he stands and starts engine. Suddenly, the running helicopter tips over and he runs for safety but returns to shut the engine down. In a second attempt, the pilot is again seen standing next to the machine, with its engine running. And, again, he must run to safety, as it tips over. This time it stops running by itself, and other men help him tip it back upright.
Huge outdoor exhibition of Military equipment in Grant Park, Chicago. A huge American flag is spread across a tall open steel tower, behind a stage. Thousands of visitors mingle with U.S. soldiers exhibiting military weapons and vehicles in conjunction with Liberty bond drive. Flag raising ceremony is punctuated by firing of artillery. Artillerymen demonstrate operation of a huge mortar affixed to a heavy steel raised platform. Hundreds of officials gather on stage of the fairground. An orchestra performs in front of the stage. View of Michigan Avenue across from exhibition ground. Sidewalk jammed with people. Large Victory monuments stand at edge of Grant Park. Museum seen in background.
Workers working in the canning assembly line of the Wilson and Company meat packing enterprise, in Chicago, Illinois, United States. Women workers pack meat cans into boxes, as the cans roll down a canning line. Pile of cans labeled 'Wilson & Co' in the background. Group of women pack tins.