Transistorized Magnetic and Photoelectric Input Circuits for Motion Picture Projectors
250
Bushman, Stephen F.
Bell and Howell Co., Chicago, IL
January 1958
Journal Article
Free to AES members & instutions and $33 to non-members
Transistorized Magnetic and Photoelectric Input Circuits for Sound Motion Picture Projectors
212
Bushman, Stephen F.
Bell & Howell Co.
October 1957
Convention Paper
Free to AES members & instutions and $33 to non-members
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