‘G’ BY FREE FALL APPARATUS
This apparatus consist of a heavy casted base plate screwed with 13 mm. diameter steel rod. Two plastic bases are mounted on the rod to hold two units. Solenoid unit having a mumetal core which insures immediate release of ball on energizing, gate switch unit comprises a hinged steel plate held against a permanent magnet so that with proper adjustment the plate falls promptly with the impact of falling ball. Connections with color coded 4 mm sockets. A centisecond timer is used, with this apparatus.
Category: Physics & Electronic Laboratory Apparatus
GEOMETRICAL INSTRUMENT BOX
Soft wood, contains one each of Divider, Protector, Set square 450 angle, Set square 600 angle, Compass, Rule, Board Cleaner. Each with a finger grip for convenient handling. Packed in a wooden box of size 400 x 240 x 75 mm. width x depth x height, fitted with brass fittings and a handle for carrying.
Cat. No. Diameter mm. 07.01 3 07.02 6 07.03 9 07.04 12 07.05 16 07.06 19 07.07 25
Aluminium, plain of diameter 13 mm.
Cat. No. Length mm. 10.01 150 10.02 450 10.03 750 10.04 1200
Light alloy, with single hole to take rods up to 13 mm. diameter.