Historical Technology Books: The ABC of Vacuum Tubes In Radio Reception by E. H. Lewis - 4 in a series
Technology isn’t just computers, networks and phones. Technology has always been part of the human experience. All of our ancestors have looked for ways to help the survive and do less work for more gain. Archive.org has a host of old technology books (from mid-19th to mid-20th Century) available in many formats and on a host of topics. Many of the technologies discussed within these books are being put to use again these days in the “back to the land" and “homesteading” movements. You might even find something that could address one of your own garden or farm issues, but has been lost to time and history. Enjoy! --Douglas
THE A B C OF VACUUM TUBES
IN RADIO RECEPTIONAN ELEMENTARY AND PRACTICAL BOOK ON THE
THEORY AND OPERATION OF VACUUM TUBES
AS DETECTORS AND AMPLIFIERS. EXPLAINS
NON-MATHEMATICALLY THE FUNDA¬
MENTAL PRINCIPLES UPON WHICH
ALL VACUUM TUBE CIRCUITSARE BASED
Includes
PRACTICAL CIRCUITS AND PRACTICAL QUESTIONS
AND ANSWERS. IT IS WRITTEN ESPECIALLY
FOR THE BEGINNER. ALL ELECTRICAL AND
RADIO TERMS ARE FULLY EXPLAINEDBY
E. H. LEWIS
Assoc. I.R.E., Radio Instructor,
East Side Y. M. C. A., New York City.
FULLY ILLUSTRATED
New York
THE NORMAN W. HENLEY PUBLISHING CO.
2 West 45TH Street
1922
Available in PDF, Text, JPG formats, and more
Learn more about the history of technology with these books
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† Available from the LA Public Library
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