Topic: 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

46. Certificate of membership to the National Association of Manufacturers made out to the Jeffery-DeWitt Company

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

48. Black and white photographic print mounted on fabric depicting a Dressler kiln control panel in the operator room at the Champion Spark Plug Co

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

50. Black and white photographic print mounted on fabric depicting the Raw Material Testing Laboratory at the Champion Spark Plug Co.

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