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 A Lock Works Marker
Photographer: Devry Becker Jones (CC0)
Taken: November 19, 2022
Caption: How A Lock Works Marker
Submitted: November 23, 2022, by Devry Becker Jones of Washington, District of Columbia.
Database Locator Identification Number: p692200
File Size: 7.933 Megabytes

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