Pulley, Metal

To demonstrate Archimedes’s principal. The set consists of a spring balance 250 gm, one aluminium block with hook, one brass block with hook, one glass displacement vessel 250ml capacity, one wooden polished block and one plastic beaker 100ml capacity. Complete with instructions. Supplied without stand.

Consists of two each of the seventeen blocks as follows:

• Blocks, 50 x 40 x 30 mm – Softwood, Hardwood, Paraffin wax, Aluminium, Iron and Polystyrene.
• Blocks, 20 x 20 x 100 mm – Perspex, Glass, Slate, Aluminium, Softwood, Marble.
• Block, 50 x 50 x 20 mm – Lead.
• Block, 50 x50 x 80 mm – Aluminium.
• Block, 50 x 50 x 200 mm – Hardwood.
• Block, 20 x 20 x 50 mm – Brass.
• Block, 40 x 40 x 20 mm – Iron.