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A History of Color: The Evolution of Theories of Light and Color By Robert A. Crone
https://books.google.com/books?id=B-KtBAAAQBAJ&pg=PT102&lpg=PT102&dq=history+of+prism+grinding&source=bl&ots=xCB6_cUb5-&sig=5gXoG7HYPTWQ1cGEX03CcpYqK6E&hl=en&sa=X&ved=0ahUKEwjUia6nkcHZAhUotlkKHQTWDtQQ6AEIcjAM#v=onepage&q=history%20of%20prism%20grinding&f=false
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A History of Color: The Evolution of Theories of Light and Color By Robert A. Crone
https://books.google.com/books?id=B-KtBAAAQBAJ&pg=PT102&lpg=PT102&dq=history+of+prism+grinding&source=bl&ots=xCB6_cUb5-&sig=5gXoG7HYPTWQ1cGEX03CcpYqK6E&hl=en&sa=X&ved=0ahUKEwjUia6nkcHZAhUotlkKHQTWDtQQ6AEIcjAM#v=onepage&q=history%20of%20prism%20grinding&f=false
- bill 3-06-2018 7:51 pm