Catalogue
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X-ray tube. Type of tube suitable for use with moderate currents. Inscribed 'Original Muller X-ray tube No. 81577'.
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X-ray tube for therapeutic work.
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X-ray tube for therapeutic work. Cossor's first pattern.
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X-ray tubes. Modified version of the Coolidge tube. G.R. Doglass insert tube (water-cooled) tube.
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X-ray tube combined with a Villard valve.Circa 1900