Hinks, Arthur R. (Arthur Robert), 1873-1945 · Cambridge : University press · leaf 50
ails only when the contours come so closetogether that there is not space to draw the figures betweenthem. In such cases, and in no other, the number n^ust beinserted in the line of the contour. A close scrutiny is thenneeded to discover in which direction the numbers increase, andthe map is much… … In Outline, without Hills
Maps · Surveying
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from A collection of maps of Europe, Asia, Africa, North America, and South America, circa 1700-1725, by Sr. Sanson, Guillieme de l'Isle, Peter Schenck, and others. [cartographic material] (1700)](https://img.insideoutlibrary.com/img/200/ia-collectionmapsE00Sans-106-180.webp)
