Topographical drawing and sketching : including applications of photography (1888)
Reed, Henry A. (Henry Albert), 1844-1930 author · New York : John Wiley & Sons, 15 Astor Place · leaf 278
TELESCOPIC AND BALLOON PHOTOGRAPHY. 53 slopes of mountains ; and, in military operations, when the detailed description of a dis- … Fig. 52. tant redoubt, or other fortification or position is needed. 55. Balloon Photography — Sketch of Progress to 1880. — Visual command afforded from great heights on a clear day is nowhere so perfectly attained, as from the cage or car of a balloon a few thousand feet above the earth's surface…
Topographical drawing · Photographic surveying
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from How we spent the summer, or, A "Voyage en zigzag" in Switzerland and Tyrol with some members of the Alpine Club : from the sketch book of one of the party [i.e. Elizabeth Tuckett] (1864)](https://img.insideoutlibrary.com/img/200/met-p16028coll4_9307-82-1.webp)
![An illustration from St. Nicholas [serial] (1873)](https://img.insideoutlibrary.com/img/200/ia-stnicholasserial331dodg-230-269.webp)
