An introduction to George A Philbrick pdf format

A tribute to George A Philbrick by Hank Paynter pdf format

Applications Manual for Computing Amplifiers for Modeling, Measuring, Manipulating & Much Else

http://www.pmillett.com/

http://pmillett.com/tubedata/

http://www.pmillett.com/tecnical_books_online.htm

http://www.aikenamps.com/schmt_a.pdf

http://www.aikenamps.com/schmt_b.pdf

http://www.vaxman.de/analog_computing/analog_computing.html

http://ed-thelen.org/

http://www.computerhistory.org/semiconductor/timeline/1964-analog.html

A further reference to Philbrick, the company, is at

http://www.computerhistory.org/semiconductor/companies.html

SOME DESIGNS AND APPLICATIONS FOR PACKAGED AMPLIFIERS USING SUBMINIATURE TUBES

B. CHANCE, J. N. THURSTON, P. L. RICHMAN

TECHNICAL REPORT NO. 20

RESEARCH LABORATORY OF ELECTRONICS

MASSACHUSETTS INSTITUTE OF TECHNOLOGY

SR-209 HF/VHF/UHF/SHF surveillance receiver was used by the CIA and employed a PP65AU opamp what was second-sourced or resold by Zeltex of Concord CA. (Contributed by Paul Reuvers 3-6-2019)