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Details
A collection of eighteen Geissler tubes,
of various sizes and patterns, including trumpet, liquid-filled, spiral and twist, hour glass, some with uranium glass centres, in an original pine case for twenty tubes -- 29in. (73.7cm.) wide
See Illustration
of various sizes and patterns, including trumpet, liquid-filled, spiral and twist, hour glass, some with uranium glass centres, in an original pine case for twenty tubes -- 29in. (73.7cm.) wide
See Illustration