Letter from Alexander Graham Bell to Gardiner Greene Hubbard, February 15, 1877
Summary
Tags
lectures and lecturing
telephone companies
telephone
experiments
diaphragms
correspondence
letter
alexander
graham
bell
alexander graham bell
gardiner
greene
hubbard
gardiner greene hubbard
high resolution
Date
01/01/1877
Contributors
Bell, Alexander Graham
Hubbard, Gardiner Greene
Source
Library of Congress
Link
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