Fisheries Biologist Allyn H Seymour entering slide rule calculations into log book aboard the USS CHILTON summer 1947 (DONALDSON 189).

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Size: 1258px × 1589px
Photo credit: © Signal Photos / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: archival, archive, classic, classical, historic, historical, history, reference, vintage