Collection: Champion Spark Plug Co. - Michigan Digital Library Portal - Michigan Memories Search Results

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41. Black and white photographic print mounted on fabric depicting the pre-heating end of a Jeffery Dewitt Kiln under construction at the Champion Porcelain Co

42. Black and white photographic print mounted on fabric depicting equipment in the Department #36 Process Laboratory at the Champion Spark Plug Co

43. Black and white photographic print mounted on fabric depicting the inside of the cooling end of a Jeffery Dewitt Kiln under construction at the Champion Porcelain Co

44. Black and white photographic print mounted on fabric depicting a Jeffery Dewitt Kiln under construction at the Champion Porcelain Co

45. Rugged Insulators, Catalog No. 4