Page:United States Statutes at Large Volume 37 Part 1.djvu/205

 For forty candlepower, fifty watt, incandescent electric lamps on underground wires, nineteen dollars and fifty cents per lamp per annum.

For sixty candlepower, seventy-five watt, incandescent electric lamps on overhead wires, seventeen dollars and fifty cents per lamp per annum.

For sixty candlepower, 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 underground wires, twenty-six dollars per lamp per annum.

For one hundred 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, incan- descent electric lamps on underground wires, forty-six dollars and fifty cents per lamp per annum.

For four-glower Nernst lamps on underground wires, fifty-two dollars and fifty cents per lamp per annum.

For six and six-tenths ampere, five hundred and twenty-eight watt, direct-current, series-inclosed arc lamps, eighty dollars per lamp per annum.

For five-ampere, five-hundred-and-fifty-watt, direct-current, multiple-inclosed arc lamps, eighty dollars per lamp per annum.

For four- ampere, three-hundred-and-twenty-watt magnetite, or other are lamps of equal illuminating value acceptable to the Commissioners of the District of Columbia, on overhead wires, fifty-nine dollars per lamp per annum.

For four-ampere, three-hundred-and-twenty-watt magnetite, or other arc lamps 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 arc 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 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.

Provided, That except as otherwise directed by the Commissioners lamps to be replaced. of the District of Columbia, all series-inclosed and multiple-inclosed arc lamps now in service shall be replaced by the lighting company, without expense to the District of Columbia, with four-ampere, three-hundred-and-twenty-watt magnetite, or other arc lamps of equal illuminating value acceptable to the Commissioners of the District of Columbia, by April first, nineteen hundred and fourteen, and such replacement shall be effected to the number of not less than four hundred lamps per annum until completed.

For the rates named above it shall hereafter be the duty of each gaslight company and each electric-light company doing business in the District of Columbia to erect and maintain such street lamps as the Commissioners of said District may direct; and each such company shall furnish, install, and maintain all posts, lamps, lanterns,