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.
Speed-of-Light Experiment Marker
Photographer: Craig Baker
Taken: September 14, 2023
Caption: Speed-of-Light Experiment Marker
Additional Description: The square concrete block is visible in the background at right, between the trees.
Submitted: September 14, 2023, by Craig Baker of Sylmar, California.
Database Locator Identification Number: p749521
File Size: 2.227 Megabytes

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