Roland System 100m

>Welcome :) this is sean in New York...There is a good
>Four volume book Roland put out in 1979 called a guide
>to Electronic Music Synthesis (I have forgotten the
>exact title)...They use the system 100m in all of the
>exapmle patches, as well they cover the fundamental
>aspects of phasing, flanging, delay, and reel to reel
>recording, among other things....They pop up on Ebay
>from time to time but I know you can get one on
>ABEBOOKS.com for a  bit more money...

The book is called "The Synthesizer, Second Edition" and it is very 
good. If you can't find an original on ebay there are photocopies 
available:

http://www.bluesynths.com/5Literature-e/the_synthesizer_hardcopy.html

(I'm not associated with the seller or site.)