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 to Heat and Cool an Old School Marker
Photographer: Adam Margolis
Taken: July 22, 2015
Caption: How to Heat and Cool an Old School Marker
Submitted: April 6, 2022, by Adam Margolis of Mission Viejo, California.
Database Locator Identification Number: p646898
File Size: 0.543 Megabytes

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