A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Street excavation and manhole hazards
Experience of Empire City Subway Co. in New York City; monoxide detectors. Before Second Annual Mtg. of New York Safety Conference.
Street excavation and manhole hazards
Experience of Empire City Subway Co. in New York City; monoxide detectors. Before Second Annual Mtg. of New York Safety Conference.
Street excavation and manhole hazards
Constructor
Henderson, J.J. (author)
Constructor ; 131
1931
Article (Journal)
English
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Engineering Index Backfile | 1943
Easier street pavement excavation
Engineering Index Backfile | 1961
MANHOLE OPENING FRAME, MANHOLE STRUCTURE, AND MANHOLE OPENING STRUCTURE
| European Patent Office | 2018