The is a classic reference guide for hobbyists and engineers, originally published in 1975 by TAB Books . Edited by Ken W. Sessions, the book compiles a vast array of circuit diagrams, many of which first appeared in the popular 73 Magazine . Overview of the Handbook
The book is technically still under copyright, though the original publisher is largely defunct or absorbed. This puts it in a "gray area." Many hobbyists argue that since the book is out of print and not sold by major retailers (except for insane $300 collector prices), sharing the PDF is a form of archival preservation. 1001 practical electronic circuits pdf hot
If you have the PDF, or you are about to download it, here is how to extract value without getting overwhelmed: Master Handbook of 1001 Practical Electronic Circuits The