Origin of air pump
Examples from the Web for air pump
Historical Examples of air pump
Also, rarefaction by the air-pump does not injure air in the least degree.Experiments and Observations on Different Kinds of Air
It, too, was unattached at the other end; it had no connection with the air-pump.John Gayther's Garden and the Stories Told Therein
Frank R. Stockton
A new kind of existence has been given to bodies in the air-pump.Letters on England
The impulse came to him as he placed his hands on her air-pump.
Something must have happened to her air-pump above the water.