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Unread 10-13-2020, 05:27 PM   #41
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Drew Hause
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Still using an ad illustration with the FE finger grooves in 1919
https://books.google.com/books?id=l3...J&pg=PA383&lpg

and without the grooves
https://books.google.com/books?id=F9...J&pg=PA568&lpg
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