SIXTY-FIRST CONGRESS. Sess. III. Ch. 192. 1911. 1009 public spaces, except as to the rate for mantle gas lamps, which rate m§,';“df‘° ‘°”’¥’° °"· erein specified shall appl only after the e iration of the existing contract for mantle gas rggting, but not for slrlbnger period than until th; end of the iiglczg year nineteen hundred and twelve unless hereafter . ot erwise rovi e : f For mafftle gas lamps of sixty candlepower, eighteen dollars and ““”“°¥°°‘°"‘P°· ort cents r am er annum. ` Fbr streeiedesiguzliou lamps, using Hat-flame burners, consuming ,,,§‘,f;’°_§,,,°°°‘¥“°“°“ not more than two and one—half cubrc feet of gas per hour, or eight- ` candlepower incandescent electric lamps, with Hosts and lanterns furnished by the District of Columbia, ten dollars per lamp per annum. For forty candlepower, fifty watt, incandescent electric lamps on mcI“,°:",g,§°°“‘ °'°°‘ overhead wires, fifteen dollars per lamp per annum. For forty candlepower, fifty watt, mcandescent electric lamps on underground wires, ninetegn dollars and fifty cents per lamp per annum. For sixty candlepowerggeventy-five watt, incandescent electric lamps on overhead wiresigbventeen dollars and fifty cents per lamp 61' 8DI1l1II1. P For sixty candlepower,%2>seventy-five watt, incandescent electric lamps on underground wires, twenty-three dollars per lamp per annum. For eighty candlepower, one hundred watt, incandescent electric lamps on undepiground wires, twenty-six dollars per lamp per annum. For one hun red candlepower, one hundred and twenty-five watt, incandescent electric lamps on underground wires, twenty-seven dollars and fifty cents per lamp per annum. For one hundred and fifty candlepower, one hundred and eighty- seven watt, incandescent electric lamps on underground wires, thirty- six dollars and fifty cents per lamp per annum. For two hundred candlepower, two hundred and fifty watt, incandescent electrip lamps on underground wires, forty-six dollars and fift cents er am per annum. Iyer fourfglower %ernst lamps on underground wires, fifty-two dol- N•r¤•¢1•¤¤m lars and fifty cents per lamp per annum. For six and six-tenths ampere, five hundred and twenty-eight watt, series-misses am direct-current, series—inclosed arc lamps, eighty dollars per amp per lm"' annum. For live-ampere, five hundred and fifty watt, direct-current, multi- “§*&:v*¤·i¤¤l¤¤¤¤ l -inclosed arc lam s eight dollars er lam er annum. P" P 9 P r g K p pp _ For four-ampere, three- undred-and-twenty-watt magnetrte, or ,&}_f;.§¤¤¢i¢¤· •=*¤-· •¤‘·¤ other arc lamps of equal illuminating value acceptable to the Commis- ‘ sioners of the District of Columbia, on overhea wires, fifty-nine dollars per lamp per annum. For four-ampere, three-hundred-and-twenty-watt magnetite. or other arc lam s of equal illuminating value acceptable to the Commissioners of the District of Columbia, on underground wires, seventy- two dollars and fifty cents per lamp per annum. For six and six-tenths ampere, five-hundred-watt magnetite, or other arc lamps of equal illuminating value acceptable to the Commissioners of the District of Columbia, on overhead wires, eighty-four dollars per lamp per annum. For six and six-tenths ampere, five-hundred-watt magnetite, or other are lamps of equal illuminating value acceptable to the Commissioners of the District of Columbia, on underground wires, ninety- seven dollars and fifty cents per lamp per annum. For flame arc lamps, five hundred watt, General Electric type, or Fi¤¤=¢¤¤1·¤¤l¤~ other arc lamps of equal illuminating value acceptable to the Commissioners of the District of Columbia, one hundred and fifty dollars per lamp per annum.
