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.
By the aid of these machines... Marker
Photographer: Craig Swain
Taken: July 11, 2009
Caption: By the aid of these machines... Marker
Submitted: October 18, 2009, by Craig Swain of Leesburg, Virginia.
Database Locator Identification Number: p81152
File Size: 0.993 Megabytes

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