TUNING FORK, SET OF FOUR For demonstrating the formation of a basic major chord. Comprises four forks mounted on a common resonance box and having frequencies of C1(256), E(320), G(384), C2(512), Hz. complete with hammer.
BAROMETER ANEROID, DEMONSTRATION Graduated Dial 100 mm , from 28" to 31" and 940 to 1040 millibars, with an index pointer, demonstration type, transparent plastic case with pressure pump. For educational demonstration purpose only.
ELECTRICAL TUNING FORK Fitted on sturdy streamlined base with provision for horizontal or vertical use. Prong is 10 x 25 x 300 mm. Accurate frequency adjustment, Electromagnet can work on 6 Volts. The amplitude of vibration can be varied by adjusting the position of the electromagnet.
INERTIA BALANCE Comprising of two metal trays 130 x 55 x 23 mm are joined together with two spring steel strips of 10 mm width, the distance between the trays being 215 mm. One tray is drilled to accept 3 equal cylindrical masses. The other tray can be clamped to a bench horizontally or vertically. Complete with 3 masses and a G Clamp.
CALORIMETER, JOULES Copper calorimeter of size 63 x 63 mm enclosed in an outer vessel of 80 x 90 mm size, with lid having terminals, a heating coil suitable for 3-6 V supply and holes for thermometer and stirrer, nickel plated. With stirrer but without thermometer.
FRICTION CALORIMETER UNIT Comprises of copper calorimeter 60 x 6 mm with integral pulley of 20 mm dia. rotates in a boss, mounted on base and the friction brake consists of cork lined jaws on pillar, both mounted on base.
Ambala Cantt, AMBALA, Haryana 