Number, Measurement and Space, module establishes equivalence of sets by a one-to-one exchange of objects. Eg Upsetting equivalance (destroying conservation of numbers) by adding one object to a set, or taking one away, helps introduce vocabulary for comparing quantity
Free Fall Apparatus Economy, for determination of the gravitational constant ft gft, This kit has a wooden base, 1.1m rod and a movable electro magnet, can be moved anywhere on the rod, when the ball is released the timer is triggered and stopped one the ball his landed on the base
Youngs Modulus of Wires Apparatus, Frame made of cast iron, Searle s Pattern. Complete with ceiling bracket having two self-centering chucks and tension weight.Searle s Pattern.
Photoconductivity, Multipurpose power supply. Electrical safety tested. Marked analyzer & polarizer for angle measurement. Photo current is studied as a function of the voltage applied to the photo resistor at a constant irradiance.
Tangent Galvanometer, Features copper magnet wire, adjustable potentiometer, compass and non-magnetic stand. Measure an electric current by determining the magnitude and direction of the horizontal component of Earths magnetic field
Large Needle Electroscope, 1.5lbs, 7.0x6.0x4.0 in, ideal for classroom demonstrations of electrostatic principles, A light-weight metal vane, used as a pointer in the electroscope. A transparent scale, provided to measure the angle of the deflection
Youngs Modulus Supplementary Set, 12 Flat Bars Made Of Steel (Thickness: 2 / 3 mm), 6 Flat Bars Made Of Aluminium (Thickness: 3 mm), With The Effective Lengths Of 200, 300 And 400 mm And The Widths Of 10 And 20 mm For Measurement Of Elastic Deformation.