![Thermometers are kept in a shelter that has plenty of ventilation to get a true reading of air temperature. Direct sunlight hitting the thermometer would. - ppt download Thermometers are kept in a shelter that has plenty of ventilation to get a true reading of air temperature. Direct sunlight hitting the thermometer would. - ppt download](https://slideplayer.com/slide/677355/1/images/20/1st+Thermometer..jpg)
Thermometers are kept in a shelter that has plenty of ventilation to get a true reading of air temperature. Direct sunlight hitting the thermometer would. - ppt download
![Rare mercury thermometer made by Daniel Fahrenheit in early 1700s set to fetch £100,000 at auction | Daily Mail Online Rare mercury thermometer made by Daniel Fahrenheit in early 1700s set to fetch £100,000 at auction | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2012/08/28/article-2194635-14B83EF8000005DC-785_312x823.jpg)
Rare mercury thermometer made by Daniel Fahrenheit in early 1700s set to fetch £100,000 at auction | Daily Mail Online
![Electronic Digital Meat Water Thermometer - China Water Thermometer, Thermometer | Made-in-China.com Electronic Digital Meat Water Thermometer - China Water Thermometer, Thermometer | Made-in-China.com](https://image.made-in-china.com/202f0j00UaeYNAgGgquj/Electronic-Digital-Meat-Water-Thermometer.jpg)