Letter from L. B. Paxson, superintendent of Motive Power and Rolling Equipment with the Pennsylvania & Reading Railroad to R.C. Blackall, Paxson's counterpart with the Delaware and Hudson Canal Co., introducing the Hinckley Braking device to...
The manuscripts portion of the collection dates from 1784-1989, with the bulk dating from 1940s to 1960s. It includes advertising campaigns, artwork for advertising, deeds, contracts, brewing and distilling processes, and correspondence. There is...
Written on back: "made by Lukens for the handling of forging and from the furnaces to forging press. Device also manipulates forging during pressing operation."
Text from back of image: "Photo shows R. F. Kohr, chief of the aeronautical section of the Bureau of Standards in Washington, DC who is the inventor of a great helium-saving device for Uncle Sam's airships, at work on one of his motors that he used...
Text from back of image: "Successful tests were conducted recently at the Farborough Experimental Station, Hampshire, England, with a new land catapult, the only device of its kind in the world. A giant bombing plane, weighing nine tons was...
Table of Contents: The iron and steel industry; Stone quarried by dynamite; Those state tax problems; Fashion's new vehicle; The life-time shade; Bows and arrows in the making; Mobile Bay Bridge; Women's shoes are repairable by a new process; The...
Oklahoma City has devised a new method of enforcing its parking regulations in the downtown section and at the same time, adding to the city's revenue. Miss Emmalle Jarvis is seen just as she prepares to put a nickel in one of the curbside parking...
Aim ray at absenteeism: "Industrial Ultraviolet Ray Solarium", aimed at reducing absenteeism in war plants, is official name for the merry-go-round system of artificial sunlight irradiation (above) introduced by the Hanovia Chemical & Mfg. Co.,...
Attractive Florence Naum, Ford Motor Companys only woman electrical technician, tests a generator regular quality control machine at the Ypsilanti MI plant. A resident of nearby Farmington, Miss Naum has been with the company for almost ten years....
Las Vegas NV- The fireball from the largest atomic device ever exploded in the U.S. rises over the atomic test site here early July 5th. The site is viewed from a mountain 14 miles away. The blast set fire to the surrounding desert and was seen in...
For photographing the human voice and reproducing it, not as a picture but as the actual sound of the voice itself, a new device known as the Pallo-Photo-Phone has been perfected by Charles A. Hoxie of the General Electric Company. It is regarded...
The instruments in the control room at DuPont's Victoria Texas plant serve both as a reporter and regulator. A meter, for example, controlling the flow of a liquid sends a report to another device set to the required standard. A third instrument...
Control room at DuPont's Victoria, Texas plant has 185 dials and gauges on huge panel board. Just as a living room thermostat controls a heating source in the basement, so this device governs the process, with an operator watching production flow...
When it is closed up, this device looks like an Amazon's vanity case, but in its present position it forms a brilliant red warning behind a disable truck or automobile. The two large disks of Lucite methyl methacrylate plastic molded in the...
Control board at DuPont's plastics plant near Parkersburg, West Virginia. This automatic device allows the operator to keep close control over complicated manufacturing processes and thus make better plastics more efficiently. The plant makes...
Control broad at DuPont's plastic plant near Parkersburg, West Virginia. This automatic device allows the operator to keep close control over complicated manufacturing processes and thus make better plastic more efficiently. The plant makes Teflon...
