Have a look here.
http://www.dxzone.com/catalog/Antennas/index.shtml

Arrl antenna book contain many info on it too.

"MailfrmPA" ha scritto nel messaggio
...
What book/mag article would you recommend as the best "how to " source of
info
on rhombics for the low bands? The comming cold dark nights put me in a
mind
for dreaming of big antennas. For bedtime reading I don't want a lot of
formulas, just nuts and bolts info

K0MB