In article , "Brian Hill"
writes:

I want to build the HBR -16. that was in a early 60s QST. I think?
Any info on this would be greatly appreciated.

Two resources are an absolute must:

K5BCQ's excellent HBR website (your favorite search engine will find it by
searching "HBR K5BCQ"

There is an email reflector devoted to the HBR - instructions at the website,
IIRC

73 de Jim, N2EY