To wintry Manhattan last week went many of the millions of motorboat fans, whose summery sport has become in 35 years a $165,000,000 industry. Destination: the 35th annual National Motor Boat Show.
High & dry on three floors of Manhattan's Grand Central Palace were 115 motorboats, 35 sailboats, skiffs, prize-winning racers, gadgets, motors, motor fuels. Outstanding gadget: The Hazard Tension Meter, a mandolin-style sound box tunable to a pitch pipe, to attach to yacht rigging for determining desired tautness. Based on a complicated device used for years on America's Cup Defenders, the popular Hazard...