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The Aeronautic Society of New York

covered with the specially prepared fabric invented by the doctor himself. Despite the great width of his planes, he uses a single 6-ft. propeller. This propeller was designed and made by Pincus Brauner, and gave a static thrust of 220 lbs.

The doctor was away during the Summer, but he got his machine completed in November, and rose off the ground in his first trial. His practice extended over only a couple of weeks, but in that time he got his machine to take up two and even three passengers, and several members were able to have their first ride in the air on an aeroplane, albeit that the flights were short. Among them were A. Leo Stevens, W. R. Kimball and E. L. Jones, and Pincus Brauner and A. J. Smith, who were taken up together.

In addition to being the first member to take up a passenger, and, thereby, winning the handsome Stevens' Cup, Dr. Greene made another record, for he got into the air with a run of only 50 feet.

[[image - black & white photograph of a large biplane, Photo Edwin Levick, N. Y.]]
[[caption]] Dr. William Greene's Biplane, which Carried Passengers. The Third Members Machin'e to Fly [[/caption]]

The flight of this machine was the more noteworthy because it was the first time that any inventor had been able to construct an apparatus that would successfully use an ordinary stock automobile motor. Dr. Greene used a British-American 26 h. p. engine weighing 320 lbs. Subsequently he installed the Kimball motor, which was half the weight. The machine flew much better then, because it did not need 60 or 70 lbs. of ballast hung on the front control to balance it; and, on the doctor's leaving for Middletown, O., to take up the manufacture of aeroplanes, the apparatus was bought by Mr. Kimball, and taken to Rahway, N. J., where experiments were continued with it in conjunction with F. E. Boland. This chanced to involve Mr. Kimball in at any rate one piece of good luck, for it so happened that it caused him to move his valuable motor away from his laboratory a few days before the fire.

Another notable event was the building of the Riggs-Rice dirigible, The American

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