Shabea McCoy
The first wagon train from Missouri to Oregon was led by Dr. Elijah White. Dr Elijah White was a Presbyterian missionary that guided 1000 men, women, and children from Elm Grove, Missouri to Oregon.
1851
YES.
That's a very nice diagram.
It is not recorded when McCoy invented the lawn sprinkler. He also invented the folding ironing board and the self lubrication system.
Oil cup 1853
The cps with ridges in it
Elijah McCoy
lubricant cup lawn sprinkler iron board
1872
1833
1840
lubricant cup lawn sprinkler iron board
1833
Elijah McCoy invented an automatic lubricator for oiling the steam engines of locomotives and boats, a folding ironing board, and a lawn sprinkler.
He invented it in the 1850's