Thermostat, 199 Thread, bobbin, 188 cutter, 186 guide, 186 Thread take-up, 186, 190 Traps, 129 Tray for dishes, 172 Typewriter, Hammond, 204 L. C. Smith, 202 U Universal grinder, 162 Utensils for electric stove, 45 for fireless cooker, 51, 53 V Vacuum cleaner, 147, 150, 151, 152 nozzles, 152 Valve, cooker, 51 door check, 184 safety, 69 radiator, 122 Vegetable slicer, 163 Vents, 68, 122 Ventilator, 111 W Washer, centrifugal, 136, 139 cylinder, 134 for boiler, 132 locomotive, 135 oscillating, 135 rotary, 134 suction, 133 Water-bath canner, 172 Water closet, 129 cooler, 109 heater, 120 meter, 231 motor, 209, 210, 211 tank, 121 for cooling, 107 Wheel, 186, 190 Wick, 36 Window pulley, 183 Wringer, centrifugal, 139 mop, 154 roller, 133, 134, 135 End of the Project Gutenberg EBook of Mechanical Devices in the Home, by Edith Louise Allen