Wanted - Bulletin 311B/RF Vol 3 (NAVSHIPS 0967-LP-173-7030)
This covers the Tempest version of Model 28 KSR and RO.

I have a pdf scan on line, but not an original.
https://www.navy-radio.com/manuals/tty/311B-RF-v3-6910.pdf

I'd like to borrow or acquire an original to make a better scan.

Nick England K4NYW
www.navy-radio.com