1901
1903
The Number 1902: Properties and Meanings
Prime Factors of 1902=2x3x317.
The Year 1902 AD
In the year 1902 AD Willis Carrier invents the air conditioner.
In the year 1902 AD French physicist George Claude invents neon light.
In the year 1902 AD The lie detector or polygraph machine is invented by James Mackenzie.
1901
1903