Their
construction was very defective. The pressure of the water caused the
joint to move hard, and when the pipe was turned horizontally it was
apt to " buck," or fly around in a contrary direction. The same thing
occurred in elevating and depressing the pipe.
Globe Monitor.—The
Goose Neck was succeeded by the Craig Globe Monitor, a simple
ball-and-socket joint, which was difficult to work, often requiring
several men to manipulate it.
A
subsequent invention of Mr. Craig was the interior tripod and belt. "
This was a tripod with a centre having a hole to take a bolt with a
knob on the end ; the other end passed out through the top of the elbow
and had a nut with a lever. By tightening the nut it threw
