Meter, 229, 230, 231, 232 Microbes, septic, 126 Mile, 229 Milligram, 226 Milliliter, 228 Millimeter, 226 Mimeograph, 206 Mixer, 165 Moisture, 200, 239 Mop wringer, 154 Motor, 108, 110, 133, 150, 186, 192, 209 care of, 214, 217 water, 137, 209, 210, 211, 220 Mower, 196 Multigraph, 206, 208 N Natural gas, 30, 89, 219 Needle, 187, 188, 191 Nickel, 158 Nozzle, 148, 149 O Oil, 31, 93, 110, 200, 214, 218, 223 Oil cups, 33, 35 Oscillating washer, 134, 135 Ounce, 226, 228 Oven, 19, 20, 26, 27, 42, 235 Overflow, 67, 119, 120, 122, 130 P Packing, 112, 122 Pans, 155, 156 Parers, 159, 160 Peck, 228, 229 Percolator, 168 Pet cock, 174, 175 Pilot light, 26, 27, 119 Pint, 227, 228, 229 Pintsch gas, 223 Pipe, stove, 58, 60, 61, 62 water or steam, 64, 66, 69, 70, 72 Pipes, 67, 78, 102, 103 Pipeless furnace, 63 Piston, 112, 148, 211, 214 Pivot, 166, 167, 209 Plate, mower, 195 Plug, electric, 143, 144 Plumber's pump, 123 Plumbing system, 115, 117 Pneumatic hinge, 184 lamp, 96 Porcelain filter, 114 Pots, 155, 156, 167, 168 Pound, 72, 226 Power, 82, 209, 210, 214 Prepayment meter, 231 Press, 163 Pressure, 72, 73, 78, 79, 82, 117, 137, 138, 146, 164, 171, 173, 209, 223 Pressure, air, 96, 97, 176 gage, 69, 117 Prestolite gas, 223 Pulley, 137, 185, 212 Pump, 108, 112, 113, 117, 123, 148, 168, 169, 209, 223 Q Quart, 227, 228 R Rack for canner, 172 Radiation of heat, 57, 61, 62, 79 Radiator, 64, 68, 69, 70, 71 Radiator, gas, 77, 78, 79 Reading meters, 231, 232, 238, 239 Reflector, 77, 78, 80, 81 Refrigerating plant, 108 Refrigeration, principles of, 100 Refrigerator, 100, 101, 102, 103, 104, 105 Register, 60, 62, 75 Regulation, heat and pressure, 20, 60, 66, 70, 72, 73 Regulation of stoves, 24, 43, 44, 48 Regulator, temperature, 198, 199 Reservoir, 18 Resistance produces heat, 143 Revolutions of motor wheels, 137 Ribbon, typewriter, 203, 208 Roller, 138, 141, 142, 154, 162 Rotary washer, 134 S Saccrometer, 237, 239 Sack, flour, 229 Sadirons, 142 Safety devices, 45, 56, 71 Safety valve, 72, 79, 117, 119, 174, 175 Salt, 157, 166 Saltometer, 237 Scales, 226 Scissors, 196 Screw, 163 Seal for sewer pipe, 128 Seeder, 159, 161 Semi-indirect light, 86 Separators, cream, 178 Septic tank, 124, 125, 127 Sewage, 124, 125, 126 Sewer, 124, 127, 128 Sewing machine, 186, 191, 209 Shaft, 159, 186, 187, 202, 204, 209 cold-air, 57, 60, 63 Shears, 196 Sheet iron, 155, 156 Shutter, furnace pipe, 60 Shuttle, sewing machine, 188 Silicon, 158 Silver, 158, 171 Simmerer, 30 Siphon, 125, 129 Slicer, 159, 163 Smoke, 16, 20, 32, 34, 36, 57, 59, 66, 73, 74, 80, 89, 146, 214, 215, 246 Socket, electrical, 143 Soot, 17, 20, 32, 39, 66, 75, 78, 214