The only Card System Time Recorders preventing mistakes in registration Sights in Factories Walk through an aircraft factory—the Martin plant in Baltimore, with the wings of the great flying boats lifting high beneath the 45-foot root of the assembly bay, or the Curtiss plant at Buffalo, the smell of hot oil and of sprayed paint and of heating and anodizing vats strong in the nostrils. Go through the Wright engine factory at Paterson, with the whir of the lathes and the awful song, from the test stands deafening in the ears, or pick your way between the benches in the Sperry plant in Brooklyn, where ex-watchmakers assemble the supremely delicate aviation instruments on which men's lives depend.
Such an American factory with its engineering plant, the dreamers bent above blueprints, the material smoothly flowing from rough casting Or bar stock to finished "plane and engine; the labour-saving machines constantly increasing the tendency toward real mass-production methods, the corps of inspectors who check clearances and tolerances often to one 100.000th of an inch, enables one to understand why the products of the American aviation industry are Losing one's glasses is like losing one's eyesight for the time being. Never be without a spare pair, and when you order them try a different frame. Lazarus will show you some of the more modern types and will advise you regarding suitability,
Text read from the printed page and cleaned; old type leaves the occasional error.