Print, Photographic

Black and white photographic print mounted on fabric depicting equipment in the process laboratory at the Champion Spark Plug Co.
Caption reads: Photograph 26
Research Laboratory - Process Laboratory, where one unit of each piece of equipment is the factory is installed so that a body can be put into production on unit scale, and tested out experimentally before using it in actual production, thus avoiding unforeseen troubles.
A small amount of each production "batch" of body is also processed, prior to releasing the batch from the cellar for production.