e, segmental threaded connection between the main sup- When the motor is started at slow speed and the pressing same in ground, thus forming a rigid seltf- ply, previously mentioned, and ball joint of mast, by clutch is thrown in, the propeller begins to revolve supporting brace. This construction… … when rotating a nozzle horizontally; tions increases and the motor runs namely, that a stream thus deflected faster. fails to reach the rear of a building and consequently found in other struts or braces made to engage with The sled is the invention of Mr. J. Bruce Macduff, a loses much of its…
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