Thanks Dave!  eBay also offers a copy, item # 255566361517

In doing the research I found a paper by Bernard Lovell titled: The Cavity Magnetron in World War II: Was the Secrecy Justified?  Interesting in that the Germans were already familiar with the cavity magnetron since it was published by the Soviets in 1936.  That raises more questions on why didn't the German military do further research on the magnetron and independently develop centimetric radar?

You can download the paper from Sci-Hub at: https://sci-hub.se/10.1098/rsnr.2004.0058
It's only 13 pages and an easy read.
Jim
Logic: Method used to arrive at the wrong conclusion, with confidence.  Murphy


-----Original Message-----
From: Dave Merrill <r390a.urr@gmail.com>
To: Jim Whartenby <old_radio@aol.com>
Cc: milsurplus@mailman.qth.net
Sent: Sun, Jun 5, 2022 6:51 pm
Subject: Re: [Milsurplus] DFing The LOs?

An excellent source is: "A Radar History of World War II" by Louis Brown  (ISBN 0750306599)


I think I was able to find this through inter-library loan.


On Sun, Jun 5, 2022, 4:11 PM Jim Whartenby via Milsurplus <milsurplus@mailman.qth.net> wrote:
Hue
OK, here is some more "fluff"
Lots of references about halfway down the article and some more nice images of period posters.

Other sources:

I've known about this carrot propaganda for at least 50 years so I thought it was common knowledge.  

I think the Germans were well aware of the British radars.
Evidently not, but German scientist were aware of the principles of the cavity magnetron as early as 1936, see:
But as we all well know, knowing the principle and reducing it to practice is like comparing night to day.  I believe that when the Telefunken engineers got the captured H2S radar working again, in early 1943, they were very surprised.  

Others would know better but I don't think Germany had a working microwave radar until the very end of the war.  

All of their wonderful advances came too late to change the outcome.
Jim
Logic: Method used to arrive at the wrong conclusion, with confidence.  Murphy


-----Original Message-----
From: Hubert Miller <Kargo_cult@msn.com>
To: milsurplus@mailman.qth.net <milsurplus@mailman.qth.net>
Sent: Sun, Jun 5, 2022 3:04 pm
Subject: Re: [Milsurplus] DFing The LOs?
 
>Hue
Jim
 
There are no references provided. I suggest this article is highly fluff. Even in those benighted times, well before our present benighted times, I don’t think anyone
really thought carrots gave a noticeable advantage for night vision. The story that came down through the years and survives is about bilberry. Although I do doubt
that you can get enough of the active constituents by having bilberry jam with breakfast. Maybe some night vision effect was noticed over the years in ages past
from consumption of bilberry over time, and this knowledge entered folk wisdom. Those RAF fighter pilots were pretty young guys anyway and didn’t need all the
help with night vision that I did. I think the Germans were well aware of the British radars.
-Hue Miller
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