Fires have plagued man for centuries and devices designed to combat them by pumping a stream of water date back to at least the second century B. C. During the Great Fire of London in 1666, fire engines with hand-operated pumps met with little success in trying to contain that conflagration. It was not until the development of better pumps, combined with the use of flexible hoses, that fire engines began to be truly effective in fighting fires.
Now...