| Central Park, [74]-86 |
|---|
| Cess-pools, cause of epidemics, [237] |
| Chadwick, Dr., quotation from, [213] |
| Clay Soils, [75] |
| Clay Soils, Baking of by Evaporation, [30] |
| Clay Soils, Made mellow by draining, [29]-30 |
| Clay Soils, Shrinkage of, [28] |
| Clinometer, (illustration), [56] |
| Collars, [84] |
| Connections, [132] |
| Connections (illustrations), [134] |
| Corn, Indian, [162] |
| Cost of draining, [150]-153-158 |
| Cotton, [169] |
| Covering and filling, cost of, [157] |
| Covering for the joints of tiles, [132] |
| Covering tiles, [136] |
| Datum-line, [52]-104 |
|---|
| Denton, J. Bailey, quotation from, [115] |
| Distance between drains, [73] |
| Diseases, malarial, [208] |
| Ditches, cost of digging, [154] |
| Draining, amateur, [47] |
| Draining, indications of the need of, [9] |
| Draining, its effect on farming, [171] |
| Draining, tiles, how made, [174] |
| Draining, tiles, materials for, [174] |
| Draining, tools, (illustration), [114] |
| Draining, what it costs, [150] |
| Draining, will it pay? [161] |
| Draining, when necessary, [7] |
| Drains, Cubic yards of excavation in, [155] |
| Drains, and drained land, care of, [144] |
| Drains, lateral, should be parallel, [99] |
| Drains, how they act, [21] |
| Drains, obstructed, how cleared, [146] |
| Drains, old, how formed, [146] |
| Drains, rate of fall, [90] |
| Drains, their action in the Central Park, [86] |
| Drained Soil, capacity for receiving water of rains, [23] |
| Drainage of dwelling houses, [232] |
| Drought, [37]-40 |
| Economy versus cheapness, [152] |
|---|
| Engineering and Superintendence, cost of, [153] |
| Engineers, draining, [47] |
| Epidemic at Maplewood Young Ladies' Institute, [232] |
| Epidemics caused by cess-pools, [237] |
| Epidemics caused by ordure beneath houses, [238] |
| Evaporation, [33] |
| Evaporation, amount of, [34] |
| Evaporation, effect on temperature, [33]-35 |
| Evaporation, heat lost during, [34] |
| Fall, rate of in drains, [77] |
|---|
| Fallacies in draining, [62] |
| Fen-lands of England, [193] |
| Fever and Ague, [208] |
| Fever and Ague, exact cause unknown, [210] |
| Filtration and absorption, [26]-39 |
| Filling, illustration of—ditch with, furrows, [141] |
| Filling, maul for ramming, (illustration), [138] |
| Filling, scraper for, (illustration), [140] |
| Filling, the ditches, [136] |
| Finishing tools, (illustration), [123] |
| Finishing scoop, [123] |
| Finishing scoop, how used, [126] |
| Foot-pick, (illustration), [156] |
| Four-foot drains, [70] |
| Land requiring draining, [7] |
|---|
| Lateral drains, [61]-97 |
| Lateral drains, direction of, [75] |
| Lateral drains, shallow, how connected with deep main, [111] |
| La Roche, quotations from, [213] |
| Levels, how to take for drains, [104] |
| Levelling instrument, (illustration), [52] |
| Levelling rod, (illustration), [53] |
| Location of main drains, [58] |
| Madden, Dr., quotation from, [12] |
|---|
| Main drain, [96] |
| Main drain, location of, [58] |
| Malaria [211] |
| Malaria borne by winds, [212]-214-219 |
| Malaria conclusions of the General Board of Health of England, [220] |
| Malaria facts concerning, [212] |
| Malaria spread of, prevented by hills, [218] |
| Malarial diseases, evidence of the effect of drainage in removing, [216] |
| Malarial diseases, reports to the British Parliament concerning, [216] |
| Malarial diseases, rheumatism and tic-douloureux, [219] |
| Malarious localities, effects of residence in, [214] |
| Maps, amending the, [142] |
| Maps, description of, (illustrations), [49]-50-51-54-98 |
| Maps, importance of, [48] |
| Marking the lines, [116] |
| Mechi, Alderman, quotations from, [29]-71 |
| Mellowness or Porosity, [41] |
| Measuring staff (illustration), [124] |
| Metcalf, Dr., quotation from, [211] |
| Movement of water in the ground, [32]-64-65 |
| Mortality, rate of reduced by improved house drainage, [222] |
| Salisbury's, Dr., theory concerning malarious fever, [214] |
|---|
| Salt marshes, catch water drains, [201] |
| Salt marshes, construction of embankment, [196] |
| Salt marshes, dyke and ditch, (illustration), [197] |
| Salt marshes, exclusion of the sea, [195] |
| Salt marshes, how formed, [194] |
| Salt marshes, inundations from upland , [201] |
| Salt marshes, location and size of embankment, [195] |
| Salt marshes, management of creeks, [198]-200 |
| Salt marshes, management of rivers, [201] |
| Salt marshes, muskrats, [199] |
| Salt marshes, outlet for under drainage, [204]-205 |
| Salt marshes, pumping, [206] |
| Salt marshes, rain-fall and filtration, [204] |
| Salt marshes, valve-gates and sluices, [204] |
| Scraper for filling ditches, (illustration), [140] |
| Seeds, germination of, [13] |
| Sewage, use of in agriculture, [226] |
| Sewers, defects of large, [228]-238 |
| Sewers, description of the London outfall, [225] |
| Sewers, efficacy of glazed earthern pipes, [229]-230-238 |
| Sewers, experiments of Hale on pipe sewers, [230] |
| Sewers, imperfect, [224] |
| Sewers, of brick, defective, [228]-235-238 |
| Sewerage, conclusions of General Board of Health, [237] |
| Sewerage, of New York, [227] |
| Shrinkage of clay soils, [28] |
| Sides of ditches in soft land, how braced, (illustration), [124] |
| Silt, [90] |
| Silt, basins, (illustrations), [121]-135-136 |
| Silt, basins, how made, [120] |
| Silt, basins, [91]-96-134 |
| Silt, in tiles, [144] |
| Sources of the water in the soil, [10] |
| Springs, how to collect the water of, [59]-60-141 |
| Staking out the lines, [102] |
| Staten Island, [209] |
| Steam pumps, [206] |
| Stone and tile drains, [142] |
| Sub-mains, [59] |
| Teams used in opening ditches, [122] |
|---|
| Temperature, [35]-66 |
| Temperature, affected by draining, [36] |
| Tile laying, [127] |
| Tile-pick, (illustration), [131] |
| Tiles, and tile laying, cost of, [157] |
| Tiles, capacity for discharging water, [84]-86 |
| Tiles, double-style, [80] |
| Tiles, drain—essential characteristics, [22] |
| Tiles, how made, [174] |
| Tiles, horse-shoe, [78] |
| Tiles, kinds and sizes, [77] |
| Tiles, ordering, [82]-101 |
| Tiles, objections to large sizes, [147] |
| Tiles, pipes and collars, [81] |
| Tiles, rapidity with which they receive water, [78] |
| Tiles, sizes of, [81] |
| Tiles, sizes required for different areas, [88] |
| Tiles, should be well formed, [83] |
| Tiles, sole, [80] |
| Tiles, trimming and perforating, [131] |
| Tile making, material for, [174] |
| Tile preparation of earths, [176] |
| Tile rolling and drying, [182] |
| Tile washing the clay, [177] |
| Tobacco, [169] |
| Tools required, [113] |
| Town drainage, conclusions of General Board of Health, [237] |