Product Code:
MACHANICE00157
Description:
Guinea & Feather
Specification:
Guinea & Feather -This counter-intuitive experiment has to be seen to be believed. Galileo
used the traditional guinea (coin) and feather to show how items fall
at the same rate in a vacuum despite their relative weights and sizes.
Includes 81 cm plastic tube for safety; 2 rubber caps, one with hose
cock and hose for evacuating the tube; weight set; instructions. You
need a vacuum pump, not included (electric pump preferred).
