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Physics, Uncategorized
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.
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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.
