Noting special consideration given to safety of men working at pit.
Double-track water-type ashpit, Pennsylvania Railroad
Eng. News-Rec
Engineering News-Record ; 83 , n 9 ; p 408-410
1919
3 pages
4 Figs.
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1911
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Engineering Index Backfile | 1913
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