| PAGE. | |
| Absorption of water, | 49 |
| Adkins & Co., charcoal filter plates, | 31 |
| Alum, use of, | 31 |
| Altitudes of Ohio, | 97-99, 102, 109, 121 |
| Analyses of filtering materials, | 31, 32 |
| Analysis of water—Methods of, | 8, 10 |
| Sanitary value, | 11 |
| Surface water, | 48 |
| Tables of, | 9, 10, 117 |
| Well water, | 40, 104, 109 |
| Aqueducts, date of, | 56 |
| Description of, | 53 |
| Examples of, | 5, 26, 53, 71, 74, 88, 90 |
| Roman aqueducts, | 5 |
| System of, | 53 |
| Aeration, effect of, | 15, 16, 20 |
| Methods of, | 33, 34 |
| Value of, | 33 |
| Arsenic in water, | 25 |
| Artesian Wells—Analysis of, | 109 |
| Boring and cost of, | 107 |
| At Cincinnati, | 106 |
| Description of, | 40, 42, 43, 107 |
| Examples of, | 42, 43, 90 |
| Laws of, | 40 |
| Temperature of, | 42 |
| Baltimore—Aqueduct of, | 55 |
| Dams of, | 58 |
| History of, | 72 |
| Water rates, | 126, 127 |
| Berlin—History of water-works, | 85 |
| Meter rates, | 127 |
| Bombay—History of water-works, | 91 |
| Bonded indebtedness water-works, | 73, 74, 77, 79 |
| Borax, use of, | 31 |
| Boston—Aqueduct of, | 54, 55 |
| Dams of, | 58 |
| History of water-works, | 70 |
| Pollution of water, | 25 |
| Protection of water, | 118 |
| Water revenue & expense, | 126, 127 |
| Broad Street pump, London, deaths from, | 14 |
| Buffalo—History of water-works, | 73 |
| Water revenue & expense, | 126, 127 |
| Carbide of Iron, value of, | 31 |
| Carbonates in water, | 24 |
| Cast-Iron water pipes, | 128 |
| Charcoal, value of, | 31 |
| Chicago—His. of water supply, | 26, 70 |
| Pumping engines, cost of, | 67 |
| Tunnels, description of, | 55 |
| Water revenue & expense, | 126, 127 |
| Cholera caused by impure water, | 12, 118 |
| Cincinnati—Altitude of, | 109, 110, 114, 121 |
| Anticlinal, | 97 |
| Aeration of water, | 34 |
| Cost of engines, | 64, 67 |
| Duty of engines, | 62 |
| Gravity supply, water-sheds, | 109 |
| Hardness of water, | 115 |
| History of water-works, | 77 |
| Kirkwood’s survey, | 113 |
| Markley Farm, | 120 |
| Moore’s survey, | 124 |
| Newport plan, | 125 |
| Pollution of supply, | 119, 121 |
| Protection of supply, | 124 |
| Scowden’s survey, | 120 |
| Riparian rights of, | 111 |
| Water revenue & expense, | 126, 127 |
| Well-water supply, | 102, 106 |
| Clark’s system, | 34, 35 |
| Cleaning water-pipes, | 128 |
| Cleveland—History of water supply, | 26, 76 |
| Component parts of water, | 7 |
| Concretions in water pipe, | 128 |
| Conduits—See aqueducts. | |
| Construction of water-works, | 114, 125 |
| Consumption of water, | 131 |
| Cost of water-works—See historical account, | 68 |
| Cornish engines, | 61, 62, 69, 75, 83 |
| Covered reservoirs, | 34, 83, 91 |
| Croton aqueduct, | 53 |
| Dams, | 56, 57, 58, 71, 76, 83, 93 |
| Dayton (Ky.) sand-beach, | 115 |
| Deposition of water, | 18, 24 |
| Detroit—New supply, | 26 |
| Dilution of water, | 18, 20 |
| Dividends of Water Companies, | 76, 85, 128 |
| Dresden—History of water supply, | 89 |
| Dublin—Aqueduct of, | 54 |
| Dams of, | 57 |
| History of water supply, | 84 |
| Water rates, | 127 |
| Duty, tables of, | 61, 62 |
| Fuel expense, | 67 |
| Term of, | 61 |
| Edinburgh—History of water supply, | 84 |
| Engines for pumping water, | 61, 62, 64, 67, 81 |
| Evaporation, tables of, etc, | 49, 52, 90 |
| Filtration of water, | 29, 32, 80, 82, 84, 85, 86, 89, 90, 114 |
| Frankfort-on-the-Main—History of water supply, | 88 |
| Friction in water pipes, | 129 |
| Genoa (Italy), filtering gallery, | 28 |
| Geology—Structure of, for gravity supply, | 50 |
| Geology of Ohio, | 93 |
| Glasgow—Aqueduct of, | 53 |
| Cholera epidemics, | 13 |
| Filtering gallery, | 28 |
| History of water supply, | 83 |
| Value of its soft water, | 35 |
| Gravitation—Cost of, | 58, 125 |
| Geological structure, | 50 |
| Examples of, see Chapter V, | 68 |
| Objectionable sites, | 50 |
| Points on, | 50 |
| Short supply, | 49 |
| Surface water, | 48 |
| System of supply, | 47 |
| Water-shed resources, | 49, 51, 84, 85 |
| Vegetable impurities, | 26 |
| Great Miami River, | 110, 116 |
| Grenelle well, | 42 |
| Hamburg—History of, | 88 |
| Water rates, | 127 |
| Hardness of water, | 24, 34, 35, 115, 128 |
| Hemp joint, effect of, | 129 |
| High service, examples of, | 68, 69, 71, 77, 78 |
| Holly system, | 61, 63, 64, 74 |
| Husband’s balance valve, | 66 |
| Impurities in water, | 7, 22, 24, 25, 26, 34, 35 |
| India—Dams of, | 57 |
| Reservoirs of, | 6 |
| Indianapolis—New supply, | 26 |
| Infiltration, | 27, 28, 29, 87 |
| Inspections for waste of water, | 83, 85 |
| Intakes, change of, | 12, 120 |
| Intercepting wells, | 46 |
| Kirkwood’s, J. P. survey of, | 113 |
| Laramie reservoir, | 110 |
| Lead pipes, effect of soft water, | 129 |
| Leipsic—History of water supply, | 89 |
| Lewiston reservoir, | 110 |
| Little Miami River, | 122 |
| Liverpool—History of, | 49, 58, 83 |
| Well supply, | 37 |
| London—Cholera epidemics, | 12 |
| Covered reservoirs, | 34 |
| Filtration and subsidence, | 29, 32 |
| Hardness of water, | 35 |
| History of water supply, | 20, 80 |
| Pollution of water, | 20, 120 |
| Projected supplies, | 38, 82 |
| Stand pipes, | 65 |
| Thames water, | 20, 120 |
| Well supply, | 37, 38, 106 |
| Cost of works, | 125 |
| Louisville—History of water sup., | 75 |
| Stand-pipe, | 65 |
| Water revenue & expense, | 126, 127 |
| Lowell—Filtering gallery, | 27 |
| Lynn (Mass.)—Wells of, | 46 |
| Lyons (France)—Filtering gallery, | 28 |
| Madrid (Spain)—Aqueduct of, | 54 |
| Mad River, | 110 |
| Magnesia, effect of, | 24 |
| Maintenance of water-works, | 69, 75, 80, 86, 127 |
| Manchester (Eng.), | 12, 49, 84 |
| Markley Farm, | 114, 120, 124 |
| Marseilles—History of, | 53, 89 |
| Meters in use, | 131 |
| Mexico—Water channels of, | 6 |
| Miles of pipe in use, | 131 |
| Moore, A. G., | 33, 124 |
| Newark (N. J.)—Filtering gallery, | 28 |
| Newport plan, | 125 |
| New York—Aqueduct of, | 54 |
| Dams of, | 57 |
| History of, | 68 |
| Pollution of water, | 24, 25 |
| Water revenue & expense, | 126, 127 |
| Ohio River, | 20, 75, 114, 115, 116, 119, 120 |
| Oxidation, | 15, 18 |
| Oxide of iron, use of, | 31 |
| Paisley—Cholera epidemic, | 13 |
| Paris—History of, | 90 |
| Perchloride of iron, use of, | 31 |
| Perth (Scotland)—Filtering gal., | 28 |
| Peru—Water channels of, | 6 |
| Philadelphia—Aqueduct of, | 54 |
| History of, | 68 |
| Schuylkill River, | 19, 118 |
| Water revenue & expense, | 126, 127 |
| Pollution of water, | 13, 17, 22, 25, 26, 117, 120, 129 |
| Pollution of well water, | 38, 46, 105, 106 |
| Poniary reservoir, | 6 |
| Pont du Gard aqueduct, | 5 |
| Population of cities and water-sheds, | 116, 131 |
| Portland (Me.)—History of, | 77 |
| Potable water, | 6, 7, 12, 13, 14 |
| Puddle walls, | 57, 76, 91 |
| Pumping System—Cost of, | 114, 125 |
| Description of, | 59 |
| Examples of, see Chapter V, | 68 |
| Expense of, | 64 |
| Engines, | 61, 64, 67, 81 |
| Survey of, | 114, 122 |
| Tables of, | 59 |
| Purification of Water—Agents, | 17 |
| Aeration, | 15, 16, 19, 20 |
| Deposition, | 18 |
| Dilution, | 18, 19, 20 |
| Means of, | 27, 117, 118, 124 |
| Ohio River, | 122 |
| Oxidation, | 15, 18 |
| Rain-Fall—Availability of, | 49, 51, 84, 85 |
| Measurements of, | 112 |
| Storage of, | 52 |
| Resources of, | 52 |
| Resources of Ohio water-sheds, | 109 |
| Resources for wells, | 46 |
| Reservoir System—Brick structures, | 73, 74 |
| Covered reservoirs, | 34, 83, 91 |
| Deposit in, | 72 |
| Equalizing reservoirs, | 88 |
| Examples of, see Chapter V, | 68 |
| Impounding reservoirs, | 76, 82, 84, 91 |
| Iron tanks, at Cincinnati, | 77 |
| System of, | 6, 59, 68, 69, 75 |
| Relief tanks, | 83, 85 |
| Revenue—Water-rent, | 126, 127 |
| Riparian rights, compensation, | 82, 84, 111 |
| Rivers, flow of, | 116 |
| River Pollution—Description of, | 15, 117, 118, 122 |
| Population on rivers, | 116 |
| Purification of, | 15, 20, 24, 27, 32, 117, 124 |
| Merrimack River, | 18 |
| Ohio River, | 115 |
| Schuylkill River, | 19, 117 |
| Thames River, | 20, 120 |
| Quality of pollution, | 18, 22, 23, 118 |
| Rochester (N. Y.)—New supply, | 26 |
| Rome—Water supply of, | 5 |
| Roquefavour aqueduct, | 53 |
| St. Louis, | 26, 67, 72, 126, 127 |
| St. Mary’s reservoir, | 110 |
| St. Mary’s River, | 89 |
| San Francisco, | 76, 130 |
| Scioto River, | 110 |
| Scowden, T. R., | 75, 120 |
| Sewage in river water, | 9, 10, 20, 23, 118 |
| Sheet-Iron strips, use of, | 31 |
| Schuylkill River, | 19, 117 |
| Sources of supply—Lakes, see Chapter V, | 68 |
| Rivers—See Chapter V, | 68 |
| Springs—See Chapter V, | 68 |
| Wells—See Chapter V, | 68 |
| Soft water, | 35, 84, 129 |
| Spencer’s process of, | 31 |
| Springs, | 36, 82, 84, 88, 90 |
| Stagnation of water, | 25 |
| Stand-Pipes—System of, | 59, 66, 70, 72, 86, 88 |
| Statistics of water-works, | 131 |
| Stuttgart—History of, | 89 |
| Strychnine in water, | 24 |
| Subsidence of water, | 32, 86, 89, 114 |
| Systems of supply, | 36 |
| Taps—Number of, | 131 |
| Thames River, | 20, 21, 32, 117 |
| Toledo—History of, | 65, 80 |
| Toronto filtering gallery, | 28 |
| Turbidity of water, | 32, 72, 88, 90, 115 |
| Toulouse filtering gallery, | 28 |
| Typhoid Fever, cause of, | 15 |
| Vital statistics, | 12, 25, 35, 120 |
| Vienna—History of, | 87 |
| Washington—Aqueduct of, | 54 |
| History of, | 74 |
| Water—Ammonia in, | 9 |
| Analyses of, | 9, 10 |
| Drinking, | 8 |
| Effect on water pipes, | 128 |
| Impurities in, | 7, 8 |
| Sewage in, | 9, 20, 118 |
| Water Companies—See Chap. V, | 68 |
| Dividends of, | 128 |
| Water revenue, | 68, 69, 85, 86, 126 |
| Water pipes, | 128, 129 |
| Water-Power, | 64, 69 |
| Weight of pipe, | 130 |
| Wells—Abatement of, | 106 |
| Availability, | 37, 38, 47, 105 |
| Boring of, | 44 |
| Description of, | 36, 37, 102 |
| Examples of, | 37, 70, 81, 83, 87, 90, 102 |
| Flow of, | 37, 38 |
| Laws of, | 36, 38 |
| Pollution of, | 38, 46, 85, 105 |
| Resources, | 45, 46 |
| Tables of, | 103, 104 |
| Wooden conduits, | 77 |
| Worthington pumps, | 61, 62, 69, 74 |
| Wrought-Iron pipe, | 77, 128 |
| Zymotic diseases of, | 48 |