COOLIDGE, William David (1873 – 1975)

1873 – 1975

1 entries in the GMN corpus.

Image source Bain News Service, publisher · Library of Congress Catalog: lccn.loc.gov Image download: cdn.loc.gov Original url: loc.gov · Public domain

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1913 CE–1914 CE

#2692

A powerful Roentgen ray tube with a pure electron discharge.

COOLIDGE, William David (1873 – 1975)

COOLIDGE, William David (1873 – 1975)

Coolidge invented the high vacuum tube, capable of kilovoltage energies.

Diagnostics & Imaging