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2 dissectors |
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Actual prototypes. Note the hemispherical ends, a flat end is desirable as it would not distort the image, but flat ends were thought to be too weak to withstand the vacuum in the tube. |
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Dissector, replica |
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A replica of the first dissector, hemispherical end is emblematic of the first tubes |
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Improved dissector |
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Cliff Gardner showed all the glass blowers of the time that a flat lens end COULD be made to withstand the rigors of vacuum. Nobody told him otherwise I suppose. |
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