There was a bunch of steam engines with most of them running while I
walked by. This type of engine is very efficient and does a lot of work
for not much money.
Here you can see a grinding wheel and saw being run by
one engine.
Click on the picture for a larger image if you'd like
to read more about them.
They move back and forth
when they run which is why most of them have wheels mounted to them.
They only fire once every four or five strokes which is unique to a
steam engine.
To see a steam engine running click on the link below.