Coolidge, William David, 1873-1975-
Lectures by William Coolidge, L. E. Etter, and Niels Bohr [sound recording], 1938.
Tape includes: (1) William Coolidge, "Development of Hot Cathode Tube," (2) L. E. Etter, "Trip to Roentgen's Laboratory;" and (3) Niels Bohr, "The Atom and the Future." Coolidge discusses x-ray, radiography and the cathode tube. Etter discusses a post war visit to Roentgen's laboratory and the dispute between Lenard and Roentgen.
Lenard, Philipp, 1862-1947.
Rn̲tgen, Wilhelm Conrad, 1845-1923.
Cathode ray tubes.
X-rays -- History.
Sound recordings lcgft
Lectures lcgft
Physicists. lcsh
Bohr, Niels, 1885-1962.
Etter, Lewis E.
American Institute of Physics.
AIP-ICOS
American Institute of Physics. Niels Bohr Library & Archives. One Physics Ellipse, College Park, MD 20740, USA