Wooden double wheel with flat bottomed grooves, 150 and 50 mm diams. respectively with a spindle for supporting in a retort stand, with two hooks and cord. Supplied without stand or masses. ....
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The two plates are supported in two rigid uprights and driven by belt in opposite direction. They are heavy, high resistance plastic with sectors of aluminium sheet. Two leyden jars (condensers) made ....
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Stand overall height 43 cm. for use in vertical or horizontal position, fitted with handwheel and wire helix belt drive to pully. Suitable for use with Savart wheel and disc and adopter to accommodate....
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For use with electronic machine or induction coil, with vacuum regulating device. Comprises a glass sphere with a concave disc electrode generating cathode rays and focusing on a tungsten target, plac....
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Two metal frames are connected by a pivoted link which also carries a spirit level. A micrometer head reading to 0.01 mm is provided to re-adjust the spirit level. With two self-centering wire pin chu....
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Mounted on transparent base, with 4mm color coded sockets, with circuit diagram printed for demonstration. ....
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