Black and white photographic print mounted on fabric depicting equipment in the Electrical Laboratory at the Champion Spark Plug Co

Description:
Black and white photographic print mounted on fabric depicting equipment in the Electrical Laboratory at the Champion Spark Plug Co. Caption on verso reads, "Electrical Laboratory where the thermocouples are tested and various instruments made."
Date Issued:
1922-01-01T00:00:00Z
Data Provider:
Detroit Historical Society
Subject Topic:
Champion Spark Plug Co., Laboratories, and Interiors
Rights:
No Copyright - United States
URL:
http://detroithistorical.pastperfectonline.com/photo/4DBE2EFD-F013-4FA2-A4DE-488561640716