Special bicycle with electrically 'loaded' wheel helps staff members at DuPont's Haskell Laboratory for Toxicology and Industrial Medicine study effects of fatigue on employees. Blood pressure and pulse rate of rider are carried by wires to...
Fatigue test attempting to determine safe amount of work for employees is conducted on special bicycle in all weather room at the Haskell Laboratory for Toxicology and Industrial Medicine, Newark, Delaware. While subject rides an electrically...
Lauru Platform measures energy that a man uses to lift 50 pound bag. The recorder, shown in picture, which registers three individual lines on a graph representing vertical, lateral and frontal motion, is electrically connect to the platform.
While the subject pedals an electrically 'loaded' bike in the DuPont Company's Haskell Lab, various recording equipment in adjoining room gives record of all weather room conditions and also registers subject's reaction.
New DuPont explosive rivet, improved for peacetime use in mass production. Speeds up fabrication of bus body parts. Single operator sets rivets with electrically heated DuPont riveting iron which discharges explosive in rivet expanding it to make...
DuPont explosive rivet, improved to fit need of assembly line methods of mass production, is set with a DuPont riveting iron. Electrically heated iron fires tiny explosive charge in rivet, expanding it to make tight fastening and eliminating need...
DuPont explosive rivet, improved to fit need of assembly line methods of mass production, is set with a DuPont riveting iron. Electrically heated iron fires tiny explosive charge in rivet, expanding it to make tight fastening and eliminating need...
postcards; motels; automobiles; automobile service stations; gasoline pumps;
on front of card: "Eisenhower Motor Court. Newport, Tennessee." on back of card: "Eisenhower Motor Court. 1/2 Mile West of Post Office. Newport, Tennessee. U.S. Highway 25, 70, and 411. Modern Hotel Rooms. Electrically Heated -- Tiled Showers. ...
Caption: "Electric railway trains and electrically driven conveyor belts are features of the world's largest anthracite breaker at Locust Summit. The mound in the background is an accumulation of non-combustible material from which Reading...
Caption: "A Colliery operation near Mt. Carmel, Pa., electrically equipped, and with high speed automatic machinery for dumping coal cars into the cleaner plant at the left."
Caption: "The hundreds of apparatus used in the preparation of famous Reading anthracite at the Locust Summit District Central Breaker are electrically operated."
Caption: "The prepared sizes of Reading anthracite are loaded into freight cars without breakage by these devices which are electrically operated and lowered into the cars so that the coal is deposited gently and evenly. Reading anthracite rides on...
Written caption: "The lowering conveyors. The prepared sizes of Reading anthracite are loaded into freight cars without breakage by the devices which are electrically operated and lowerd into the cars so that the coal is deposited gently and...
