ORIGINAL PATENT APPLICATION NUMBER 22,748 FOR AN IMPROVED PHOTOMETER (SHEFFIELD). Buy on Amazon
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ORIGINAL PATENT APPLICATION NUMBER 22,748 FOR AN IMPROVED PHOTOMETER (SHEFFIELD).

Publisher First
Book Details
Author(s) Harry. Chapman
Publisher First
ISBN / ASIN B001H85YJG
ISBN-13 978B001H85YJ8
Sales Rank #99,999,999
Marketplace United States 🇺🇸
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