Black and white photographic print depicting equipment in the product testing laboratory at the Champion Spark Plug Co

Description:

Black and white photographic print depicting equipment in the product testing laboratory at the Champion Spark Plug Co. Caption on verso reads, "Product Testing Laboratory. From left to right are shown an impact testing machine from completely assembled spark plugs, an intermittent heat shock testing device, a modified Olsen tensile strength machine, the electric furnace and recorders for determining the temperature-electrical resistivity curve for assembled spark plugs, and a falling-weight impact tester for cores."

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/3C8E6FC3-F3E7-47DE-9C2C-092443746250