Simon wrote:
Chris Parry has just updated his free e-book with quite a number of
additions and changes resulting from feedback by readers, so if you
want to update your copy or missed the first release a couple of weeks
ago, go to my web site at http://www.vk2bv.org/radio/index.htm for
information and downloading.

Simon

I noticed he forgot to include my steam powered receivers in his book.

I was hoping that the inclusion of the psi gauge on the R-390 series of
receivers would have been noticed by now.

Art Coalins
Inventor of the coal fired, steam powered radio
Cedar Lake, Ohio