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The First Thermometer
The first thermometer was made of mercury in 1714. the first thermometer was very contagious when broken because mercury is bad when it enters your immune system and above the mercury is nitrogen. -
1700's mercury thermometer by Daniel Fahrenheit
Only two were made and were known to exist both in a museum and in the netherlands. -
A Medical/Clinical Thermometer
This thermometer can be placed under the tongue or under the armpit to se if you have a fever. -
The First Alcohol Thermometer
Everyone noticed that mercury was very poisionous so they changed to a non poisonous thermometer with red alcohol. -
The First Electronic Thermometer
They are now digital and