Mowat, Harold, 1883- · London : H. Frowde · leaf 50
pendicular dipper is worked by a crankattached to the shaft of the motor and, as the namesuggests, consists of a metal rod, making and break-ing the contact by dipping into the mercury. The SOURCES OF SUPPLY, ETC. 35 rate of interruption in this form is between 1,000 and1,500 per minute, and being… … Fig. 9. Gaiffe Intekrtjpter. The rate of interruption of the rotary design isslightly the more rapid of the two. The other principle, namely that of pumping mer-cury on to metal blades, is more recent and is now ingeneral use. It is known as the turbine or jet type. In it either a central stem is…
X-rays
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
