Mechanics
Guinea & Feather Apparatus
A glass tube 600 x 38 mm fitted with two rubber bungs, one of which is bored & fitted with an 8 mm diameter tube for connection to a vacuum pump.
PH10605
A glass tube 600 x 38 mm fitted with two rubber bungs, one of which is bored & fitted with an 8 mm diameter tube for connection to a vacuum pump.