Pools, Size of hot-water heater for swimming. .. Swimming. Portland cement. Power required to drive cone fans. " 66 roots, and reciprocals, Table of. Draft PAGE 302 301 271 218 77 15 244 133 80 80 80 334 101 243, 244 81 on oblique surfaces. 66 sizes of mains, Influence of available drop in 159 247 330 Wind 66 66 66 66 66 64 Pressures, Absolute. 66 General law for downward 66 "" " "" loss in water pipe of air, Volume, density, and. 66 gas and quantities of water in sprinkler tank 66 66 Prism, Formula for frustum of. Producer gas Proportions, Furnace 46 66 66 64 lateral upward 57 263 241 102 "saturated steam. 105, 109 165 Proportion of radiating surface to volume of room 164 138 furnace heating systems, Rules for. 141 parts of steam and hot-water heating boilers 128 166 204 138 144 Pulley, Compound 66 46 66 in reference to cubic contents, Register Double movable. 87 106 374 170 169 59 59 Pulley, Single movable 322 Purity, Air necessary to maintain given standard of...... 113 271 Pyramid, Formulas for regular.. 58 Q. Quadruple movable pulley.... Quantity of moisture in air, Table showing 46 64 46 66 Radiation 66 66 R. Radiating surface required for heating greenhouses by steam, Approximate amount of....... 172 192 165 66 46 66 66 164 166 145 66 66 Formula for discharge of.. 66 Suction lifts of. 66 66 66 66 66 Baldwin's rule for proportioning Definition of direct 66 66 46 66 PAGE 78 321 323 323 177 Proportioning direct 164 46 Ratio of boiler heating surface to 123, 124 66 66 Sizes of mains for two-pipe systems and direct 155 157 145 46 Diameter of hot-water 203 171 Radiators, Heat emitted by extended-surface indirect. 64 66 66 46 " direct-indirect, or semidirect Diameter of exhaust pipe for given horsepower of heat, Definition of per horsepower with exhaust steam, Approxi- Location of direc 66 "indirect 79 190 374 Sizes of tappings for prime-surface Tappings for hot-water under forced draft, Heat emitted by plain-sur- 146 145 176 99 170 164 164 169 201 171 Ram, Hydraulic 66 PAGE Radiators under natural draft, Heat emitted by direct flue 170 289 66 leader, Definition of 261 323 324 66 Sizes of pipes for hydraulic 338 339 336 292 252 52 123 126 123, 124 125 124 304 98 "hot-water radiating surface to volume of room 201 269 263 350 13 46 15 54 142 271 144 143 66 Sizes of pipes for gas stoves and Ratings, Boiler horsepower Ratio of boiler heating surface to radiation. 66 64 66 66 Table of powers, roots, and heating surface to grate area Register proportions in reference to cubic contents 6. 44 rectangular 66 "round Regular polygons 46 46 pyramid, Formulas for. Regulation with blower systems, Temperature Relief, or bleeder, Definition of drip pipe Underwriters' Residence mains, Empirical rule for size of ordinary. .. 66 "bends in air pipes 66 Return main, Definition of "" +6 dry 64 46 Pipe sizes for hot-blast heaters with gravity 142 143 142 59 58 239 247 145 253 155 231 235 235 199 199 145 145 145 Return pipes, Sizes of. 66 "6 Returns, Dry 66 for Webster vacuum system of steam heat- system of steam heating, Forced 46 66 tubular boilers, Approximate number of bricks 46 Ring, Formula for .. Formulas for circular 46 66 64 Roof leaders, Sizes of.. 66 66 66 return Radiating surface supplied by hot-water 66 Standing-seam Safe bearing loads ** Gravity test of plumbing system size of ordinary residence mains, Empirical S. 94 94 66 Tin 94 Roofs, Weight of floors, partitions, and. 86 165 46 Room, Proportion of radiating surface to volume of. 193 192 192 Areas of flues and air openings for drying "6 191 10 Square 8 Roots, and reciprocals, Table of powers 15 Roughing-in ** PAGE 161 loads and breaking loads uniformly distributed loads for rectangular wooden Safes, Marble. Safety-valve areas per square foot of grate surface Semidirect radiation, Definition of direct-indirect or "" Separate-return system of steam heating.. "" pipes, Capacity of water 66 Freezing 46 64 Settings, Boiler 66 Sewage disposal field. of Sizes of street Table of capacity of water 46 of return-tubular boilers, Approximate number 66 ejection 66 lift Septic-tank system of. Subsurface filtration bed for Compressed-air PAGE 91 283 104 105, 109 98 98 98 114 80 262 262 262 262 94 262 262 94 272 288 293 292 262 55 51 55 223 119 119 146 95 149 303 317 321 331 355 321 332 130 133 318 316 517 318 310 311 313 352 |
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