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Details
A collection of Geissler tubes,
including coloured, twist, spiral and Catherine Wheel tubes, uranium glass 'dimpled berry' tube, two tubes with twist centres for liquid filling, the largest -- 6in. (17cm.) long, the smallest -- 3.1/8in. (7.9cm.) long
See Colour Illustration
including coloured, twist, spiral and Catherine Wheel tubes, uranium glass 'dimpled berry' tube, two tubes with twist centres for liquid filling, the largest -- 6in. (17cm.) long, the smallest -- 3.1/8in. (7.9cm.) long
See Colour Illustration