Second Law Of Motion Apparatus, 25 Cm Long Unit Has A 10 mm Rod. It May Be Horizontally Clamped To A Support Stand Or Table Clamp. Complete With Two Steel Balls, Substantial Metal Casting And The Entire Mechanism Is Visible, The Spring Gun Offers Two Tensions
Pulleys Plastic, Double-Long, Double Plastic Pulley In Tandem, On A Steel Frame, With Hooks At Each End Carrying Two Plastic Pulleys With Diameters Of 38 And 50 mm, Inner Gap Of Pulley Measures 3 mm, Overall Length Is 11.4 Cm. Capable Of Holding Over 30 Lbs Of Weight.
Junior Magnet Kit, A Kit Of Magnets And Accessories For Science Experiments, Each Of Square Iron, Aluminium, Zinc And Copper Metal, 1 Horseshoe Magnet With Keeper, 100mm 2 Ceramic Bar Magnets 75 mm Long. 3 Ceramic Ring Magnets, 38 mm Dia, Face Polarised.2 Plotting Compasses