962. Tangent Galvanometer : With alluminium parts fitting.
963. Tangent Galvanometer : Good quality with brass parts.
964. Tangent Galvanometer : As above but with superior qualityextra strong magnetic compass.
Sonometer
965. Spring Constant Apparatus Half Meter with Magnet.
966. Sonometer : with Brass Parts Superior.
967. Sonometer : with Aluminium Parts Superior.
968. Sonometer :- To study the frequency of A.C. Mains. The set consists of Step Down Transformer, weights with hanger, a pair of Bar Magnets, an arrangements to place the Bar Magnets, (or Electromagnet) & Sonometer with brass parts. (Tripod stand not included)