[Hammarlund] Unknown tubes and WW2 military secrets

[James A. (Andy) Moorer]

"They Never Knew What Hit Them - The Story of the Best-Kept Secret of 
World War II"
Ralph Baldwin
ISBN 0939683156 
<http://www.abebooks.com/products/isbn/9780939683154/12171775537>

-A

On 10/1/2014 11:31 PM, Kevin Ward wrote:
> Anyone who is interested in the story of the development of the 
> Proximity Fuse during WWII can go to his local public library and take 
> home "They Never Knew What Hit Them"; I can't remember the author. 
> Hams were paramount in this coup.  The storytelling is rather dry, but 
> the book is not very long.  A description of the theory of operation 
> of proximity fuses is included.
>
> Ham Radio to the rescue!
>
> Kevin  N2IE

-- 
James A. (Andy) Moorer
www.jamminpower.com