Sears, Francis Weston, 1898-1975
Francis Weston Sears letter to William DeCampli, 1975.
Letter to William DeCampli about the length of a moving rod in Einstein's theory of relativity, and related materials discussing time dilation and relativity. Included are a reprint of DeCampli's article, a Gedanken experiment to demonstrate Lorentz Contraction(1975), and Mrs. Sears letter to DeCampli notifying him of Francis Sears' death.
Relativity (Physics)
DeCampli, William.
AIP-ICOS
American Institute of Physics. Niels Bohr Library & Archives. One Physics Ellipse, College Park, MD 20740, USA