[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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