Chicago Pneumatic tool you haven't seen

[RivennHewn]

 

[Subyroo651]

What was something like that used for?
Definitely right out of the industrial revolution

 

[ChevyEFI]

YTers are saying 2 stroke diesel & not hit-or-miss because it's firing under no load.

Both are before my time.

 

[texasprd]

Engines like that were used to power cotton gins, factory equipment, power plants, etc.

Here's a link to another engine: http://www.cottonginmuseum.org/LadyB.htm