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
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
Ct Measuring Trough, Material: Acrylic, Thickness Of Sides: 4 mm Approx, Dimensions: 430X150X150 mm3, Made Of Thin Transparent Plastic, Includes Several Special Fittings For Attaching And Connecting ultrasonic Sensors To The Sides Of The Trough.
Apparatus For Measuring YoungS Modulus, Battery For Strain Gauge Unit: 9 V, 6F22, Dimensions: 550 X 280 X 500 mm3, For Investigating The Elastic Deformation Of Rods Of Flat Geome-Try And For Determining The Modulus Of Elasticity.
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.