Photograph as originally submitted to this page in the Historical Marker Database www.HMdb.org. Click on photo to resize in browser. Scroll down to see metadata.
Model of a wind-powered Archimedes screw-pump
Photographer: Barry Swackhamer
Taken: January 19, 2014
Caption: Model of a wind-powered Archimedes screw-pump
Additional Description: This model is located at the Hayward Shoreline Interpretive Center.
Submitted: January 19, 2014, by Barry Swackhamer of Brentwood, California.
Database Locator Identification Number: p264842
File Size: 3.522 Megabytes

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