alt= At the Right Is One of the First of the Amphibians, Capable of Landing or Taking Off Either from Water or Land: Comm. Richard Byrd Used Loening Amphibians in the Arctic with the MacMillan Expedition, and the Army Flew Them around South America In the Years Since the War, Airplanes Have Developed Rapidly, Both for Military and Commercial Purposes; Above Is a Modern Flying Ambulance: the Army and Navy Use Airplanes Fitted with Stretchers and First-Aid Equipment to Carry Patients to Hospitals, and They Have Proved Especially Useful in Rescuing Victims of Aerial Accidents, Frequently Getting the Injured to the Hospital in Time to Save Their Lives, Whereas Normal Transportation, Often from Isolated Districts, Might Have Been Fatal; at the Left Is a British Monoplane with Folding Wings, Which Can Be Kept in a One-Car Garage: Its Spread of Wings Has Been One Drawback to the Airplane, but with the Advent of Folding Wings, Especially Adaptable to Monoplane Construction, the Ship Is Easily Stored, or Can Be Hauled through a City's Streets behind an Auto Truck, without Obstructing Traffic
