Various people have credited the invention of the thermometer but the thermometer was not a single invention, however, but a development. Related Link:http://en.wikipedia.org/wiki/Thermometer
Resistance thermometer was invented by Calender-Van Duesen
galileo invented it
David Phillips invented the first and best infrared thermometer which to your question is the smallest thermometer therefore the answer is DAVID PHILLIPS;P☻☺☻☺
Santorio Santorio was the first inventor to put a numerical scale on the instrument. Galileo Galilei invented a rudimentary water thermometer in 1593 which, for the first time, allowed temperature variations to be measured. In 1714, Gabriel Fahrenheit invented the first mercury thermometer, the modern thermometer.
John Harrison
the thermometer was invented in 1708 .
What country was the Thermometer invented in
he invented the thermometer in year 1593
it was more than one person who invented this thermometer
In 1714, Gabriel Fahrenheit invented the first mercury thermometer.
Resistance thermometer was invented by Calender-Van Duesen
There is an ear thermometer?
The mercury thermometer was invented Daniel Gabriel Fahrenheit in 1714.
The mercury thermometer was invented Daniel Gabriel Fahrenheit in 1714.
JAMES SIX invented the Maximum and Minimum thermometer in 1782.
Galileo was the first one to invent the thermometer but another guy made a better thermometer than Galileo butt basically it is Galileo who invented the thermometer
Charles WingerThe Thermometer was invented by Galileo Galilei in 1593. His thermometer consisted of water in a glass bulb; the water moved up and down the bulb as the temperature changed.