Black and white photographic print mounted on fabric depicting the Raw Material Testing Laboratory at the Champion Spark Plug Co. Caption on verso reads, "The Raw Material Testing Laboratory where the raw materials are tested before being released for production."

Description:
Black and white photographic print mounted on fabric depicting the Raw Material Testing Laboratory at the Champion Spark Plug Co. Caption on verso reads, "The Raw Material Testing Laboratory where the raw materials are tested before being released for production."
Date Issued:
1922-01-01T00:00:00Z
Data Provider:
Detroit Historical Society
Collection:
Champion Spark Plug Co.
Subject Topic:
Champion Spark Plug Co., Laboratories, and Interiors
Rights:
No Copyright - United States
URL:
http://detroithistorical.pastperfectonline.com/photo/01EDFA9F-C5A1-439A-9B3C-139731718243