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Image: Hercules tug engine.agr

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Original image(4,032 × 3,024 pixels, file size: 2.18 MB, MIME type: image/jpeg)

Description: Triple expansion steam engine on the tug Hercules at the San Fransisco National Maritime Park.
Title: Hercules tug engine.agr
Credit: Own work
Author: ArnoldReinhold
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: https://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes

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