12V 3V for use with smoke cell & multiple light source.
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Used in experiments on Hysterisis. Six cups for mercury in bakelite tray. Six terminals for connections & an insulating handle. Maximum current 5 amps. Dimensions 140 x 140 x 80 mm.
Newton Colour Disc Mounted On Newton Colour Disc Mounted On Motor – Motor Mounted on a wooden base 90 x 90 x 100 mm, workable on 2 to 4 volt DC with fan blade & Newton’s colour disc.
A contact arm & three metal studs mounted on a bakelite base with three brass terminals. The centre terminal is common connection to the arm & the other two terminals connected to the other studs.
Capacitance substitution box ideal for use in industrial and educational environments. Unit will simulate capacitances from 100pF to 0.47F in steps ratio of 1:2
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