Wednesday, July 29, 2015

Wondrous Words Wednesday

Wondrous Words Wednesday

My word today comes from the book, Orphan #8.

Coolidge tube- is named after President Calvin Coolidge. It is an x-ray tube in which the cathode consists of a tungston wire spiral surrounded by a focusing cup.

Posted by Tribute Books Mama at 3:26 PM

4 comments:

  1. I don't understand it even after reading the definition. lol

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  2. Me either, it was in the book Orphan #8.

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  3. I wonder if it was some primitive form of x-ray? Or used for a specific purpose?

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    Replies

    1. yes,it was to x-ray your throat very primitive.

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