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Title: Pear shaped x-ray bulb, cathode broken off, glass eroded [Go to resource]
Description: Pear shaped x-ray bulb, cathode broken off, glass eroded, 1896-1900. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1896-1900 Source: Science Museum Identifier: 1923-333 Go to resource More Like this...
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