Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 233
on; Per-meability, [f. w. c] Suspending Wire of Cable. See Cable,Suspending Wire of. Suspension, Bifllar. See Bifilar Sus-pension. Suspension, Catenary. See CatenarySuspension. Suspension, Flexible. See FlexibleSuspension. Suspension, Trolley - wire.—Trolley wires may be suspended either from… … TroUey-wire Suspension buildings, the trolley wires being attachedto ears carried by but insulated from thespan wires. See Ear, Trolley; TrolleyHanger; Insulated Hanger. Bracket arms are carried either by poles atthe roadside (side-pole bracket-arm suspension)or by poles planted in the middle of…
Electrical engineering
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