FOOTNOTES
[1] It is proper to remark that, the pier at each extremity, of the range of arches of eighty feet span, has an extra thickness, making it a pier of equilibrium; this is also the case with the one in the centre of that range of arches, so that on each shore and in the centre of the river this additional security has been given.
[2] This report was from the pen of Samuel Stevens, Esq.
[3] This Act was drawn up by Myndert Van Schaick, Esq., and its character and suitableness to obviate former difficulties were approved of by the Common Council, and the situation of Mr. Van Schaick, as member of the Senate, no doubt promoted its success.
[4] This Act was prepared by Myndert Van Schaick, Esq., from materials which he had previously collected for the purpose, and it passed into a Law, and is the one under which, as its main foundation, the work has been constructed.
[5] For some general remarks on Water, its economical and dietetical uses, an analysis of the Croton and the comparative purity of that supplied to different cities, the action of water on lead, &c., see [Appendix], which has been kindly furnished by Charles A. Lee, M. D., of New-York.
[6] The Aqueduct is calculated to convey 60,000,000 gallons in twenty-four hours.
[7] This includes, besides the actual cost of constructing the work, the accumulation of interest on loans.
[8] The air in ice and snow water contains 34.8 per cent. of oxygen, while that in rain water contains but 32 per cent.
[9] Report from the Select Committee of the House of Lords, appointed to inquire into the supply of water to the Metropolis, p. 91, 1840. Analysis by R. Phillips, Esq.