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  • Description: electricity
(5 results)



Display: 20

    • Scripts for science - sixth grade, [radio] station WBOE, Cleveland Public Schools, school year...

    • School gardens; Cleveland Public Schools Horticulture Program; Gardening; Agriculture; Laboratory schools; School children; Instructional radio programs; WBOE (Radio station : Cleveland, Ohio); WCPN (Radio station : Cleveland, Ohio); Children &...
    • Radio lesson scripts for "Science - sixth grade, [radio] station WBOE, Cleveland Public Schools, school year 1945-1946," includes 27 weekly science lessons and two semester tests. Subjects of the lessons include, geology, sound, electricity, light,...
    • Clevite Corp's spark pump

    • Clevite Corp.
    • "PIEZOELECTRICITY, a phenomenon through which a couple of ceramic parts can produce a 20,000-volt charge, enables the little Spark Pump (smaller than a man's fist) to replace the magneto, points coil and condenser in a small gasoline engine. Arcing...
    • 1914 Cleveland Electrical Exposition

    • Cleveland Electrical Exposition; Wigmore Coliseum; Playhouse Square Center; East 13th St.; Edison, Thomas A. (Thomas Alva), 1847-1931
    • The Cleveland Electrical Exposition of 1914. Held at the Wigmore Coliseum, the forerunner of Public Auditorium and Cleveland's exhibition hall of the 1910s and very early 1920s. The Exposition was designed to demonstrate many practical uses of...

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