Ferris, Richard. [from old catalog] · New York, T. Nelson and sons · leaf 218
the progressive work in this new art of flying isnot being done altogether, nor even in large part,by the daring operators who, with superb courage, areperforming such remarkable feats with the flying ma-chines of the present moment. Not one of themwould claim that his machine is all that could be… … 21S MODEL FLYING MACHINES, tiently^ experimenting with his models^ and workingto prove or disprove nntested theories, is doubtlessdoing an invaluable part in bringing about the sortof flying which will be more truly profitable to humanity in general, though less spectacular. One of the greatest…
Aeronautics
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