Quad: The Closest Approach

[rstloup]

Does anyone have a PDF of the book on Quad by Ken Kessler?

 

[DimitryZ]

I learned a lot from Sheldon Stokes' book:

https://drive.google.com/file/d/1OaQkegJ8xBkgGJS7wvMM2F776jB7xp6_/view?usp=drivesdk

Also available through googling.

 

[rstloup]

I learned a lot from Sheldon Stokes' book:

https://drive.google.com/file/d/1OaQkegJ8xBkgGJS7wvMM2F776jB7xp6_/view?usp=drivesdk

Also available through googling.

Sheldon is a real gentleman. I recently found a pair of ESL 57s and we spoke on the phone. He walked me through a few issues I was having / eased my worries.

 

[DimitryZ]

Sheldon is a real gentleman. I recently found a pair of ESL 57s and we spoke on the phone. He walked me through a few issues I was having / eased my worries.

He is a great guy!