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Refining oil. The agitator, or treating tank.

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Refining oil. The agitator, or treating tank.

description

Summary

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

date_range

Date

1850 - 1930
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Source

New York Public Library
copyright

Copyright info

Creative Commons CC0 1.0 Universal Public Domain Dedication ("CCO 1.0 Dedication")

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