Craig Anderton's Electronic Projects for Musicians 1980

More useful links below.

https://msu.edu/~dougl126/Electronic%20Projects%20for%20Musicians.pdf

http://proto-schlock.blogspot.jp/

http://www.projectguitar.com/

http://www.runoffgroove.com/

http://www.mercyseateffects.com/

http://freestompboxes.org/viewtopic.php?t=16716