This projectile was discharged from a powerful air-gun—the walking-stick form—provided with a force-pump and key.
I said, and then she asked, "Is there a windmill or a force-pump?"
There was only the sound of the force-pump and the swallowing of the Eddy.
The fact is that the root acts as a kind of force-pump, and keeps up a constant pressure inside the tissues of the plant.
The fine parlor-maid was down in the kitchen at the force-pump, with Olivia and Adelaide to help and keep her at it.
