{Download} ⚣ Elements of Military Sketching Í eBook or E-pub free

{Download} ⚠ Elements of Military Sketching ä Excerpt from Elements of Military Sketching Arranged for Use of the Organized Militia of VermontDistances on a map have a fixed proportion to distances on the ground representedIn order to read or make a map it is, therefore, necessary to know the proportion, or ratio, existing between any given map distance and the actual ground distance represented by it This ratio is expressed by means of map scalesThe principle of scaling is that one unit of any length on the map represents a certain number of like units on the ground