Measuring the Altitude with the Theodolite. A. L. Rotch, director of Blue Hill Observatory, and Mr. Octave Chanute, of Chicago. tical instruments should be used during the simul- tine ascents, either with manned balloons or with pilot The practical work of the International Commission taneous… … ctuuiiiug tne Meteorograph on Its Descent. Box Kite Traveling Upward. Starting a Flight. THE INTEENATIONAL KITE ASCENSIONS,
Automobile · Supplement · Yarn · Feet · Scientific American · Steel · Wireless telegraph · Motor car · American supplement · Blue hill · Paper yarn · Gas engine · American august · American supplements · Mare island
Internet Archive · Public domain (published before 1931). Free to use for anything.
