<1867 | Number Data-Base![]() ![]() |
1869> |
The Number 1868: Properties and Meanings
Prime Factors of 1868=2x2x467.The Year 1868 AD
In the year 1868 AD George Westinghouse invented air brakes.In the year 1868 AD Robert Mushet invented tungsten steel.
In the year 1868 AD J P Knight invented traffic lights.
In the year 1868 AD the Chemical Element Helium was discovered independently by Pierre Janssen and Norman Lockyer.
<1867 | Number Data-Base![]() ![]() |
1869> |

