For precise quantitative measurement of electricity. Robust construction, easy to operate and repair. Moving coil has a fairly large periodic time and large moment of inertia. With zero adjusting and locking device. The phosphor bronze suspension strip prevents shifting of zero. Deflection of galvanometer is closely proportional to the current. Fitted with a sensitive spirit level and three levelling screws. Coil fitted with a high quality concave mirror of focal length 100 cm.
|Resistance of||Time Period|
|The coil (ohms)||(Sec.)|
Category: Physics & Electronic Laboratory Apparatus
SPHERES SOFT WOOD
Cat. No. Diameter mm. 08.01 13 08.02 25 08.03 50
CUBE METAL SET
Set of six, comprising one each of Aluminium, Iron, Copper, Brass, Lead and Zinc.
Size, side 10, 20, 25 mm.
Cast iron with levelling screws, with vertical and horizontal holes to accept 13 mm. diameter rods, each hole with a clamping screw. Overall length 240 mm. mass approx. 2.5 Kg.
Set of six perspex geometrical shapes, consisting of one each triangle, square, circle, rectangle, hexagon and octagon.