Practical draughtsmen's work, with numerous engravings and diagrams (1903)
Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 125
ing miles, while by subdividing one ofthese divisions into eight equal parts, furlongs would berepresented. Here an actual length of half an inch is under-stood to represent one mile, and the map or plan would bedescribed as being drawn to a scale of half an inch to themile. Another way in which… … Fig. 191.—Scale -^^ho 1 in. = 880 ft. ; 6 in. = 1 mile. only 72 6V2 o the size of the real object it is intended to show.This sum y26V2^ ^s known as the representative fraction ofthe scale, and sometimes is used to indicate any particularscale instead of the previous expression. The value of scale…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from The English pilot. [cartographic material] : The fourth book. Describing The West-India navigation, from Hudson's Bay to the River Amazones. Particularly delineating The Sea Coasts, Capes, Headlands, Rivers, Bays, Roads, Havens, Harbours, Streights, Rocks, Sands, Shoals, Banks, Depths of Water, and Anchorage, with all the Islands therein, as Jamaica, Cuba, Hispaniola, Barbadoes, Antigua, Bermudas, Porto Rico, and the rest of the Caribbee and Bahama Islands. Also, A new Description of Newfoundland, New England, New York, East and West New- Jersey, Dellawar Bay, Virginia, Maryland, Carolina. showing, The Courses and Distances from one Place to another; the Ebbing and Flowing of the Sea, the Setting of the Tides and Currents, &c. With many other Things necessary to be known in Navigation. (1775)](https://img.insideoutlibrary.com/img/200/ia-englishpilotcart00thor-40-152.webp)
