A Ford Standard Sedan driven in front of a building. A hand unscrews a cap, removes a gas filter, replaces it and screws the cap. Close up of front wheel of a car. A foot on a brake. View of wheel shows brake action. A driver pulls emergency brake lever back. Close up of the wheel shows brake action. Close up of shock absorbers, standard gear shift, speedometer and gasoline gage and engine.
A worker operates a multiple drilling machine. Close up of a stem. A worker places it in a block. Close up of valve stem action. A block with all stems in place. Crankshafts revolve in a testing machine. Close up of a dial. A worker removes a crankshaft from a machine and examines it.
View, from inside the mouth of a rough earthen tunnel, showing Actor Lee Marvin speaking about Clifford Milburn Holland, who was Chief Engineer on the project to build a tunnel under the Hudson River, linking New York and New Jersey. View inside construction work area. The project's chief designing engineer, Ole Singstad, explains the problem of ventilating the exhaust fumes from cars traversing the tunnel. Scenes of workers down in the tunnel during construction. Governors Arthur H. Moore, of New Jersey, and James Walker, of New York, shake hands at the boundary of their two states, inside the Holland Tunnel,under the Hudson River, during a project completion ceremony. Interestingly, they stand on each other's side of the boundary as they shake hands. Motorcycle policemen escort some of the first cars through the tunnel at its opening. View from rear of a car traversing the tunnel, of other cars following. Engineer Singstad speaking more about the tunnel ventilation.
A worker with a drill in a mine. Rill stopping is displayed in the mine. Blasted ore runs over an inclined plane-a chute. Workers move ore loaded trolleys in a shaft station
A pumping station in a half mile deep mine. It pumps out 2400 gallons per minute. Pumping machinery at the station. Blades of a fan move. Stairs near the fans.
A central compressor plant in United States. Machinery of the plant includes huge wheels. The compressor plant supplies 60,000 cubic feet of free air per minute for drills.