1991.064.189
Print, Photographic
Black and white photographic print depicting a man holding a ruler behind a circle of Champion sillimanite refectories.
A sign reads, "Champion sillimanite refractories used as resistor-support in electric furnaces having metallic elements."
Printed on verso: Ordered by - The Milwaukee-Electric Railway and Light Co.
Shipped March 3, 1931 - to - Western Electric Company Hawthorn Station, Chicago, Illinois
Marked: A/C Hevi Duty Electric Co.
