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.
Harper Method Marker
Photographer: Steve Stoessel
Taken: March 18, 2024
Caption: Harper Method Marker
Submitted: March 19, 2024, by Steve Stoessel of Niskayuna, New York.
Database Locator Identification Number: p779705
File Size: 2.149 Megabytes

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