Celcius is confusing --- -40 degrees Fahrenheit is the same temperatures as -40 degrees Celsius.
Daniel Fahrenheit was the mid-18th century inventor of the mercury thermometer and a temperature-measuring scale.
The Golden Gate Bridge is a big thermometer, rising and falling as much as 16 feet depending on the outside air temperature
The Thermometer is found in both oral and rectal. The main difference between them is the taste.
Fahrenheit is named after German, Daniel Fahrenheit, who invented the mercury thermometer as well as his (now eponymous) temperature-measuring scale in the mid-18th century.
Crickets are natural thermometers --- The number of times a cricket chirps in 15 seconds, plus 37, will give you the current air temperature

A Thermometer is similar be it an oral thermometer or a rectal thermometer. The only real difference is the taste.
Thermometers were originally filled with brandy before mercury came to be used.

The Thermometer is an instrument that should be bought in winter because it is much higher in summer.