A wooden friction board (490 x 70 x 20mm) with three different sliders (all 140 x 70 x 20mm) for comparing friction between different surfaces: A wooden slider with hook; a plain aluminium slider; and an aluminium slider with rubber backing. A long aluminium plate is also provided for covering the friction board, for further comparisons.
Additional information
Weight
1.1 kg
Dimensions
5 × 9.5 × 51.5 cm
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