[Milsurplus] Crystal history book

Gordon Smith gfsmith at cox.net
Sun Jul 31 12:43:37 EDT 2022


I was looking at the article when your email 
popped up Al. I think the book is listed in the 
article and all of Charlie's observations are listed in the article.

73, Gordon KJ6IKT

At 09:39 AM 7/31/2022, Al Klase wrote:
>There's 
><https://ieee-uffc.org/about-us/history/uffc-s-history/a-history-of-the-quartz-crystal-industry-in-the-usa>THIS 
>from the IEEE.  But, I do think there is another book.
>
>Al Klase - N3FRQ
>Jersey City, NJ
><http://www.skywaves.ar88.net/>http://www.skywaves.ar88.net/
>On 7/31/2022 11:47 AM, 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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