[Milsurplus] Crystal history book

[Gordon Smith]

Hi Charlie,
Any chance you can find what the book title was?

73, Gordon KJ6IKT

At 08:47 AM 7/31/2022, CL in NC via Milsurplus wrote:
>I know there is a movie out called 'Crystals go to War', but there 
>was also a book about the subject with a different title.  The 
>crystal industry in the 1930's was almost a home cottage industry 
>that had to be ramped up during WW II.  In the book, all the 
>crystals  problems were explained and how they were overcome.  But 
>one of the biggest, the one that caused all the FT241 type failures, 
>and the book reported that crystals in newly manufactured equipment 
>packed and shipped to the ETO, were dead on arrival.  This problem 
>was actually solved years earlier by AT&T (may have been GE, memory 
>slip) , but they did not tell anybody about it because their primary 
>WW II function was not building crystals.  It took independent 
>discovery on part of the other crystal makers to solve the issue, 
>and after the war,  AT&T (maybe GE) said, "Oh yea, we figured that 
>out, why didn't you ask?".   I bought a manual from Tucker 
>Electronics when they were selling off their inventory prior to shutti
>  ng down, the manual was for a piece of equipment I had and used by 
> a manufacturer in crystal testing.  In it were several typewritten 
> pages, just stuck in the book, from the Midland Company, describing 
> a certain procedure to use during the night shift and the grinding 
> of blanks.  So, at one time, crystals were made in-house at 
> Midland, and in the '30's it was a mom and pop operation for the 
> most part, so have wondered why it could not be restarted as a 
> cottage industry again.
>
>Charlie, W4MEC in NC
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