Review of reviews and world's work . allow of 600 pounds and has made a speed of 48 milesa gentle vertical descent in alighting. an hour, and Santos-Dumont claims to have The improved aeroplane of the future will lately reached a speed of 55 miles an hour without doubt contain some automatic device with a little 30 horse-power monoplane for maintaining equilibrium, both longitud- weighing only about 250 pounds. Undoubt- inal and lateral. The gyroscope has been edly the mile-a-minute mark will be reached suggested for this purpose; but the problem and considerably exceeded, though not so of gjT


Review of reviews and world's work . allow of 600 pounds and has made a speed of 48 milesa gentle vertical descent in alighting. an hour, and Santos-Dumont claims to have The improved aeroplane of the future will lately reached a speed of 55 miles an hour without doubt contain some automatic device with a little 30 horse-power monoplane for maintaining equilibrium, both longitud- weighing only about 250 pounds. Undoubt- inal and lateral. The gyroscope has been edly the mile-a-minute mark will be reached suggested for this purpose; but the problem and considerably exceeded, though not so of gjTOscopic control is not so simple as it quickly as the public believes. For as a bar seems. Because this device has been used sue- to high speed there stands the immutable cessfully to prevent rolling in a steamer, we law that a body, in moving through the air, must not jump to the conclusion that it can encounters a resistance, which increases ap- be so used in an aeroplane. In the exact pro- proximately as the square of the


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Keywords: ., bookcentury1800, bookdecade1890, bookidreviewofrevi, bookyear1890