I have 3 original manuals for auction on Ebay. All close Saturday
afternoon/evening Oct 18. These have been in storage for many decades.

B&W 5100-B and 51SB-B

http://cgi.ebay.com/ws/eBayISAPI.dll...ADME:B:LC:US:1

Gonset GSB-100

http://cgi.ebay.com/ws/eBayISAPI.dll...ADME:B:LC:US:1

Hammarlund SP-600-JX and 600-J

http://cgi.ebay.com/ws/eBayISAPI.dll...ADME:B:LC:US:1

Thanks for looking...

73,

Roger K6XQ