This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1918 Excerpt: ... observation balloons? Find the screened areas near C for each of the balloons independently. Investigate the points where these screened areas overlap. Problem 1. Plate A. Are the waterworks visible from the 100-foot hill e.ast of 16 minutes on the southern border of the map? Problem 2. Plate A. How high would a flag ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1918 Excerpt: ... observation balloons? Find the screened areas near C for each of the balloons independently. Investigate the points where these screened areas overlap. Problem 1. Plate A. Are the waterworks visible from the 100-foot hill e.ast of 16 minutes on the southern border of the map? Problem 2. Plate A. How high would a flag polo at the Marion Junction station have to be to be seen from the belfry of the church in Weston, 30 feet above the ground? Problem 3. Plate A. How high would an observation balloon at Marion Junction have to be to see all of the area included between the waterworks and reservoir roads? Problem 4. Plate A. What parts of the road east from the waterworks are visible to a man standing on top of the 100-foot hill south of the reservoir? Problem 6. Using any map available, solve a problem similar to (e) above. The area shown by Plate A is insufficient for such a problem. Although visibility problems are valuable exercises in the study of contours on a map, it is well.to caution the student once more against placing too much confidence in the results of the solutions of these problems as applied to the ground. Inaccuracies in map locations, inaccuracies in the contours, and the screening effect of trees and other vegetation introduce factors of uncertain effect. Problem 1 may be solved in good faith, but in practice there is tall tropical grass on the 100-foot hill and bamboo on the screening point. In Problem 3 a little error of the topographer or a little slip of the draughtsman's pen would affect the answer by several hundred feet. The true test of visibility is on the ground itself. CHAPTER VIII MAP READING--Continued Map Reference Designation of Points on Maps. In the problems at the end of Chapter VII it was necessary to identify points on P...
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Add this copy of Map Reading and Topographical Sketching to cart. $20.46, new condition, Sold by Books2anywhere rated 5.0 out of 5 stars, ships from Fairford, GLOUCESTERSHIRE, UNITED KINGDOM, published 2009 by Read Books.
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New. Trade paperback (US). Glued binding. 150 p. In Stock. 100% Money Back Guarantee. Brand New, Perfect Condition, allow 4-14 business days for standard shipping. To Alaska, Hawaii, U.S. protectorate, P.O. box, and APO/FPO addresses allow 4-28 business days for Standard shipping. No expedited shipping. All orders placed with expedited shipping will be cancelled. Over 3, 000, 000 happy customers.
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Add this copy of Map Reading and Topographical Sketching to cart. $26.00, very good condition, Sold by Shoemaker Booksellers rated 5.0 out of 5 stars, ships from Gettysburg, PA, UNITED STATES, published 1918 by McGraw-Hill Book Company, Inc..
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Very Good. No Jacket. 12mo-over 6¾"-7¾" tall. 139 pp. Brown cloth covers w/ gilt title on front cover. Very bright and clean. Previous owner's name stamp on edges of text block. Light foxing to edges of text block and endpapers. Previous owner's name on front paste-down. Illust. w/ b/w figures. Contents nice.
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New. Trade paperback (US). Glued binding. 150 p. In Stock. 100% Money Back Guarantee. Brand New, Perfect Condition, allow 4-14 business days for standard shipping. To Alaska, Hawaii, U.S. protectorate, P.O. box, and APO/FPO addresses allow 4-28 business days for Standard shipping. No expedited shipping. All orders placed with expedited shipping will be cancelled. Over 3, 000, 000 happy customers.
