Bureau of Mines investigates coal dust bombs at Experimental Mine in Bruceton, Penna. In this photo, coal dust cloud ignited by twelve ounces of black rifle powder in a glass container. Photo number 8888 in series.
RMID:Image ID:2RCF66T
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piemags/NSC / Alamy Stock PhotoImage ID:
2RCF66TFile size:
141.5 MB (3.6 MB Compressed download)Releases:
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8494 x 5824 px | 71.9 x 49.3 cm | 28.3 x 19.4 inches | 300dpiDate taken:
3 June 2017More information:
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