POTENTIOMETER
PHY-00543
Potentiometer slide wire pattern with one bare constantan wire stretched along with a meter rule, subdivided in cms and mm and clamped to stout plated brass endplates. The clamping system is designed to make good electrical contact with the wire at the exact ends of the scale. The terminating strips are provided with heavy-duty 4mm socket terminals and the complete assembly is mounted on a long baseboard. Supplied with sliding type jockey.
POST OFFICE BOX
PHY-00541
(Plugin type) the heavy brass contact blocks are bond to the vulcanite plated by the double nut system Each ratio arm has a resistance of 10, 100 and 1000 ohms. The series arm has a resistance of 11,110 x 1 ohm given by 16 coils. Battery and galvanometer keys are provided. Accuracy ratio coils ±0.05%, others ±0.1%.
PENDULUM ON STAND
PHY-00523
Comprises a meter rule with zero at the bottom, graduated in millimeters and reading every centimeter, attached vertically on a support rod. Towards the upper end of the rod, a hanger is fixed, from which three pendulum bobs, each of 25mm diameter and of different material – wood, steel, and aluminum, are suspended.