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

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

22. Black and white photographic print mounted on fabric depicting the Raw Material Testing Laboratory at the Champion Spark Plug Co. Caption on verso reads, "The Raw Material Testing Laboratory where the raw materials are tested before being released for production."

23. Black and white photographic print depicting equipment in the Chemical Laboratory at the Champion Spark Plug Co

24. Black and white photographic print depicting the Dressler kiln recording instrument room at the Champion Spark Plug Co

25. Jeffery Dewitt Kiln, Pre-Heating End

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

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

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

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

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