Category:Walter Frank Rittman
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American chemical engineer (1883-1954)  | |||||
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| Date of birth | 2 December 1883 | ||||
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| Date of death | 26 September 1954 | ||||
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Media in category "Walter Frank Rittman"
The following 7 files are in this category, out of 7 total.
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RITTMEN, DR. WALTER F. AT DESK LCCN2016866176.jpg 10,178 × 7,528; 7.92 MB
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RITTMEN, DR. WALTER F. AT DESK LCCN2016866179.jpg 10,154 × 7,561; 8.16 MB
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RITTMEN, DR. WALTER F. GASOLINE PLANT AT PITTSBURG LCCN2016867222.jpg 10,310 × 7,651; 9.04 MB
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RITTMEN, WALTER F. DOCTOR LCCN2016866177.jpg 10,153 × 7,594; 7.52 MB
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RITTMEN, WALTER F. DOCTOR LCCN2016866178.jpg 10,153 × 7,553; 8.17 MB
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Walter Frank Rittman circa 1916.jpg 743 × 1,024; 98 KB
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Walter Rittman LCCN2014718724.jpg 3,170 × 4,755; 1.64 MB
