Sylvania electric products oscilloscope manual - 1950S

What is for sale: Sylvania electric products oscilloscope manual - 1950S

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"How to Service Radios with an Oscilliscope"
SYLVANIA ELECTRIC PRODUCTS INC.
500 Fifth Avenue, New York 18, N.Y.
"The purpose of this book is to explain in a practical manner the operation and applications of the cathode ray oscilliscope. This is not an engineering manual. We expect that our readers wil be radio and amplifier servicemen, and some radio operators, students and technicians.
Because of its general usefulness in all kinds of radio work, the oscilliscope deserves to be used much more widely than it is now."