Showing 1–18 of 18 results

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  2. Research Highlights |

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    • extended research work in the Snook- Roentgen laboratories, at Philadelphia... ...both accurately and quickly. The Snook-Kelly hydrogen X-ray tube... ...by Mr. H. Clyde Snook and Mr. Edwin W....
  4. Research |

  5. Research | | Open

  6. Research | | Open

  7. Research | | Open

  8. Reviews | | Open

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