Note:  Do not rely on this information. It is very old.

Vacuum Pump

Vacuum-Pump, a pump consisting of a barrel, a suction-pipe with a valve, a discharge-type which has a valve, and a steam induction with a valve that is opened when the chamber is filled with water and closed when it is full of steam.

“... you know that the testing of your faith develops perseverance.”
James 1:3