To sink water was admitted, which gathered in the lower part of the boat, while to rise again this was expelled by a force pump.
As it is a one-man job, it should be a force pump with a gasoline engine.
The water pressure by which these "slippery supports" are supplied must be created by a force pump worked by the machine itself.
The water was lifted up into the tank by a windmill and force pump.
There may be a two-inch suction pipe to the force pump, and the discharge may be one and a half inch.
What is the stream, and what is the force pump that forces the stream on?
It afforded room enough for two men to work, and was supplied with air by a force pump worked from a boat at the surface.
Close by, was the faucet in the main pipe fed by the force pump.
A force pump may be substituted, to force the wash through the pipes k, and distilling apparatus, with the velocity required.
The water is brought up to the surface by a force pump, is perfectly transparent, with a slight calcareous taste.