Hawthorne Plumbing, Heating & Cooling - Plumbing and HVAC History we learn in 1593, Galileo invented a simple water thermometer, which for the first time, allowed temperature variations to be measured. Today,
![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
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