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.
Propeller and Annapolis Laboratory Marker
Photographer: Allen C. Browne
Taken: February 23, 2013
Caption: Propeller and Annapolis Laboratory Marker
Submitted: June 11, 2013, by Allen C. Browne of Silver Spring, Maryland.
Database Locator Identification Number: p244139
File Size: 2.494 Megabytes

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