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  • Description: geared
(9 results)



Display: 20

    • Glaze Mill

    • Mills; Gunpowder;
    • "This was a stone and frame building on stone foundations, which was built sometime before 1873. In 1879 a 24 inch "Canadian" turbine was installed which produced 22.8 hp and was able to drive the nine glazing barrels at 20 revolutions per minute....
    • DuPont Magazine [September-October 1966]

    • Periodicals; Chemical industry; Explosives; Football; Packaging; Automobile industry; Paint industry; Bakeries; Shoe industry; Wallpaper industry;
    • Table of Contents: Handbook for blasters; Garb geared for the gridiron; The box that goes whoosh; Reviving cars of all vintages; A longer day at the world's biggest bakery; New fashions afoot; A knob-twister's delight; Hot melts for cold cartons;...
    • Health

    •  
    • 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.,...
    • Duplex Printing Machine

    • Printing; Machinery; Textile industry;
    • Written on back of image: "August 27, 1937. To: Frank Bromley: I am enclosing a print of a duplex printing machine. This is a 2-cylinder machine, with two colors on each side, or four colors on one side. As you can see it is geared together so the...
    • Hydro-Electric Plant

    • Power plants; Foundations;
    • "According to Edward L. Bader this plant was constructed in 1891-92 by Francis Gurney and Alfred I. du Pont; however, date is given as 1898 in Allan J. Henry, ed., Life of Alexis I. du Pont, II, p. 34. It was a two-story frame building with three...

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