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Bid and specification for the furnishing and erection of an Edison incandescent electric light plant for the Allegheny County Court House and jail, Pittsburgh, Pa.... (1887)

Edison United Manufacturing Company. · Edison United Manufacturing Co. · leaf 13

An illustration from Bid and specification for the furnishing and erection of an Edison incandescent electric light plant for the Allegheny County Court House and jail, Pittsburgh, Pa...., 1887, leaf 13
ruction or material, such parts will be renewed without cost, and thatthe regulation shall be such that they will show you an absolutely steadylight under a varying load. We further guarantee that the loss of powerfrom friction shall be less than one-tenth that of the power developed bythe engine.… … 7 last five years in the Edison Companys Pearl Street Station, New York,doing 160 horse-power work, frequently making a straight run night andday for a week. The engines will be tested before leaving the shop to a power25 per cent, above their rating, all parts being thoroughly tested,so that…

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