Maxim, Hiram S. (Hiram Stevens), 1840-1916 · London ; New York : Whittaker · leaf 88
e bar 6, b, arevery easily pushed backwards, but as the distance throughwhich they travel increases, the angle of the lever changesand the tension of the spring increases at the same time,so that when the disc is pushed backwards to any consider-able distance, a strong resistance is encountered.… … Is I II.§.§ f I 72 ARTIFICIAL AND NATURAL FLIGHT. those indicating high velocities would have been widelyseparated, but with this device properly designed, thespacing on the index became regular and even. The indexbeing very large enabled one to read it at a considerabledistance, and at the same…
Airplanes · Aeronautics
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![An illustration from Artificial and natural flight [microform], 1908, leaf 88](https://img.insideoutlibrary.com/img/1024/ia-artificialnatura00maxirich-88-51.webp)
