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.
How it Works Marker
Photographer: Devry Becker Jones (CC0)
Taken: March 6, 2021
Caption: How it Works Marker
Additional Description: Unfortunately, the marker has experienced significant weather damage.
Submitted: March 6, 2021, by Devry Becker Jones of Washington, District of Columbia.
Database Locator Identification Number: p571797
File Size: 8.016 Megabytes

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