File:Coal Seam Shot Down Using Jeffrey Drill.jpg

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Coal_Seam_Shot_Down_Using_Jeffrey_Drill.jpg(400 × 323 pixels, file size: 61 KB, MIME type: image/jpeg)

An electric drill made by the Jeffrey Manufacturing Company of Columbus, Ohio, was used to put holes in the face of this coal seam. Explosives were inserted in the holes and detonated to knock the coal down. This photograph was taken at the Hatfield Campbell Creek Coal Company, Glomar, Kentucky, 1930.


Ohio Historical Society. Jeffrey Manufacturing Company Collection P 251; Box 12, Folder 6, Image 17580.


12/2/2008 8:25

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