telegraph
The steam engine
The latest invention of the 1800's STEEL! The latest invention of the 1800's STEEL!
his greatest invention was the steam engine
The duration of The Greatest Canadian Invention is 2 hours.
nothing
Mill
The cotton Gin
no it is not
His greatest invention was either dynamite or the Nobel Prize. Mainly towards this day it is the Nobel Prize.
Telephone.
the ps3
Antibiotics.