cars,planes,trains,railroads,sinks,pipes,staircases,bank vaults
Improved communications and ease of travel.
Improved communications and ease of travel.
because it is.
Steel
The bessemer process.
positive
Improved communications and ease of travel.
Improved communications and ease of travel.
Improved communications and ease of travel.
The latest invention of the 1800's STEEL! The latest invention of the 1800's STEEL!
because it is.
Steel.
Iron casting
The invention of the elevator and the invention of steel.
The invention of the steel plough increased the efficiency of the arable farmer.
The invention of the elevator and the invention of steel.
steel