Exposiзгo Conjuncta de Mappas Militares E an Arte de Fazer Mappas Preparada Pelo Ministerio Da Guerra E O Ministerio Do Interior Estados Unidos de Ame 9781397305688

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Автор: Department United States War
Название: Exposiзгo Conjuncta de Mappas Militares E an Arte de Fazer Mappas Preparada Pelo Ministerio Da Guerra E O Ministerio Do Interior Estados Unidos de Ame
ISBN: 9781397305688
Издательство: Forgotten Books
Классификация: ISBN-10: 1397305681
Обложка/Формат: Paperback
Страницы: 52
Вес: 0.08 кг.
Дата издания: 11.02.2019
Язык: English
Размер: 22.91 x 15.19 x 0.28 cm
Поставляется из: США
Описание: Excerpt from Exposi o Conjuncta De Mappas Militares E an Arte De Fazer Mappas Preparada Pelo Ministerio Da Guerra E O Ministerio Do Interior Estados Unidos De America: Joint Exhibit of Military Maps and Mapping Prepared by the War Department and the Department of the Interior, United States of America

AS shown in Plate I, the plane table consists of a drawing board supported by a tripod. The board can be leveled and also turned in any horizontal posi tion and can be clamped when properly set. When in use the table and its Support must never move, and the greatest care must be taken that when it is once set or oriented it shall not be disturbed in position. The engineer must neither lean on it nor against it. On the board is fastened the drawing paper upon which the map is to be plotted. The paper used is thick and double mounted - that is, so mounted on both sides of a sheet of linen cloth that the grain of the paper runs at right angles on its two faces. Such paper is well seasoned for several years, and then either side may be used. Plane-table boards are usually 18 by 24 inches in size, but both larger and smaller boards are In use.

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Exposiзгo Conjuncta de Mappas Militares E an Arte de Fazer Mappas Preparada Pelo Ministerio Da Guerra E O Ministerio Do Interior Estados Unidos de Ame, Department United States War