About Vintage Thermometer
Thermometers have been used for everything from advertising to diagnosing illnesses, and the principles behind the thermometer haven't changed in centuries. If you love collecting pieces of yesteryear, a vintage thermometer might scratch that collector's itch. All vintage thermometers work the same way: by heating a working fluid and then measuring the expansion against a scale. Because people have always been interested in the weather, many stores and gas stations used to have thermometers their customers could check. Many soda companies took the opportunity to advertise on these thermometers, reasoning that if a person saw the brand name on a hot day, they might buy a bottle. At the other extreme from advertising thermometers are medical thermometers. Although the thermometer dates back much further, the first practical medical ones were not introduced until 1866, when it became possible to produce a small thermometer that could take a temperature in five minutes. Browse through eBay's reliable sellers to find a vintage thermometer that tickles your fancy. If it looks cool in your garden on a hot day, well, that's just a bonus.