G By Free Fall Apparatus

G By Free Fall Apparatus for Educational Laboratory.

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G By Free Fall Apparatus :-   Consists of two units, each mounted on a plastic base which can be clamped to a 12 mm diam. retort stand rod. The solenoid unit ensures prompt release of a metal sphere on deenergising. The gate switch unit comprises a hinged steel plate held against an adjustable contact by a small magnet so that by proper adjustment, the plate falls promptly as soon as the falling sphere falls on it. Complete with stand