AERONAUTICS: In a Cage

Like lions in a cage, 70 airplanes made to fly were wheeled last week into Convention Hall in Detroit. In a day, 30,000 persons came to the All-American Aircraft Show to see and marvel. Some stayed to buy, for this was a business show, with salesmen talking turkey, not an exhibition of good will.

As always, business was stimulated by the spectacular. Spread out over the waspish little ship in which Bleriot first flew across the English Channel, stood the huge trimotored plane in which Commander Richard E. Byrd hopes to conquer the Antarctic....