Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 638
n aeroplane became possible. A great many experiments have been made tofind whether the flat or curved wings give thebetter support, and how sharply the curve shouldbe drawn. The wings of birds are curved slightlyupward, and in the end, after all the experiments,it has been found that this curve is… … FIG. I. AN EFFECTIVE MODEL WITH WOODEN WINGS ONLY TWO INCHES WIDE. THE SMALL PLANE IS IN THE FRONT. bowed or flexed. After you have built your aero-plane with flat wings it will pay you to replacethem with flexed planes, and you will find thatyour previous experience in building models willmake…
Children's literature
Internet Archive · UNC Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from St. Nicholas [serial], 1873, leaf 638](https://img.insideoutlibrary.com/img/1024/ia-stnicholasserial372dodg-638-706.webp)
![An illustration from St. Nicholas [serial] (1873)](https://img.insideoutlibrary.com/img/200/ia-stnicholasserial382dodg-29-22.webp)
![An illustration from St. Nicholas [serial] (1873)](https://img.insideoutlibrary.com/img/200/ia-stnicholasserial4221dodg-347-385.webp)
![An illustration from St. Nicholas [serial] (1873)](https://img.insideoutlibrary.com/img/200/ia-stnicholasserial382dodg-286-353.webp)
![An illustration from Annual Report of the National Advisory Committee for Aeronautics (1st). [Administrative Report Including Technical Reports Nos. 1 to 7] (1916)](https://img.insideoutlibrary.com/img/200/ia-NASA_NTRS_Archive_19930091025-24-0.webp)
![An illustration from St. Nicholas [serial] (1873)](https://img.insideoutlibrary.com/img/200/ia-stnicholasserial4221dodg-351-393.webp)
