18th Century (1 janv. 1701 – 31 déc. 1800)
Description:
- Gabriel Fahrenheit (1686 - 1736) created the first mercury thermometer in 1714- John Hunter (1728 - 1793) an English surgeon who established scientific surgical procedures and introduced tube feeding in 1778.
- Benjamin Franklin (1706 - 1790) invented bifocals for glasses in 1784
The average life span was 40 - 50 years
Ajouté au bande de temps:
Date:
1 janv. 1701
31 déc. 1800
~ 100 years