18th Century (1 ene 1701 año – 31 dic 1800 año)
Descripción:
- 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
Añadido al timeline:
fecha:
1 ene 1701 año
31 dic 1800 año
~ 100 years