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Revolving Photometer Stand Patent Print - White Patent Title: Revolving Photometer Stand Inventor Name: James Packard Year Issued:...read more
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Revolving Photometer Stand Patent Print - White Patent Title: Revolving Photometer Stand Inventor Name: James Packard Year Issued: January 29 1889 Item Number: 12115 Reprint of original Patent Patent is printed on premium acid-free heavywe...