A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Steel casing replaces concrete cells
Thin steel plate is replacing more and more stone and cement in manufacture of electric switchgear; oil circuit breakers built into steel cabinets and mounted on wheels give many advantages over older style of permanent mounting in masonry cells.
Steel casing replaces concrete cells
Thin steel plate is replacing more and more stone and cement in manufacture of electric switchgear; oil circuit breakers built into steel cabinets and mounted on wheels give many advantages over older style of permanent mounting in masonry cells.
Steel casing replaces concrete cells
Iron Age
Iron Age ; 122
1928
2 pages
3 Figs.
Article (Journal)
English
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