Mechanical Devices in the Home
CHAPTER XLIII. THERMOMETERS AND THERMOSTATS 233
299. Mercury thermometers. 300. Oven thermometer. 301. Maximum thermometers. 302. Thermostats.
Mechanical Devices in the Home
299. Mercury thermometers. 300. Oven thermometer. 301. Maximum thermometers. 302. Thermostats.