GOODS & SERVICES
Jet Craft. At Chicago's National Boat Show, Kermath Mfg. Co. showed off a new engine to propel small pleasure craft (16 tp 21 ft.) by a high-pressure jet of water instead or a propeller. Kermath's 60-h.p. Hydrojet shoots out the water from a nozzle beneath the stern, steers the boat by changing the direction of the jet. Chief advantage: the jet boat has no propeller to break in shallow water. Price $990 f.o.b. Detroit.
Faster Adder. National Cash Register Co. brought out a new adding machine with a "Live Keyboard" that cuts down hand motions 35%....
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