‘G’ BY FREE FALL APPARATUS. |
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| ‘G’ BY FREE FALL APPARATUS.
(1459 ) |
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This apparatus consists of a solenoid (for prompt release
of the sphere on being disconnected) and gate switch unit
mounted on a base, which is clamped on a 12mm dia.
retort stand rod.
Connections are made through 4mm sockets. The gate
switch unit consists of a hinged metal plate held against an
adjustable contact by means of small permanent magnet so
that by proper adjustment, the plate falls promptly at the
impact of the falling sphere. Centisecond timer can be used
with this apparatus.
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