Energy Transfer Apparatus - Malvern small motor / generator, 1. 5 to 4. 5 V motor with 15 mm diameter V pulley. Mounted on base with 4mm socket terminals. Size 15 x 10 cm
Slit, Five single slits of different widths in a slide frame. Specifications: Slit widths: 0.1/ 0.2/ 0.4/ 0.8/ 1.6 mm, Dimensions: 50x50 mm2, Weight: 0.02 kg