Course of Civil Engineering: Comprising Plane Trigonometry, Surveying, and Levelling. with Their Application to the Construction of Common Roads, Railways, Canals
Course of Civil Engineering: Comprising Plane Trigonometry, Surveying, and Levelling. with Their Application to the Construction of Common Roads, Railways, Canals
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. 1842 Excerpt: ...when you require to measure all the fields. The place where you run upon or cross a chain line may be easily ascertained by setting up poles at two of the nearest stations on that line, the crossing will be at the point in a direct line with these poles. The persons at the poles will set you right, by directing you to ...
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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. 1842 Excerpt: ...when you require to measure all the fields. The place where you run upon or cross a chain line may be easily ascertained by setting up poles at two of the nearest stations on that line, the crossing will be at the point in a direct line with these poles. The persons at the poles will set you right, by directing you to move to the right or left, according as the case may require, till you come to the required point, where it would be well to cut marks in the ground, pointing out the direction of the line. Such marks often save much time and trouble, as it may happen that the situation of some of your stations might escape your memory, which would at once be assisted by the direction of these marks which point out the direction in which they lie. In a large survey, when two surveyors are employed, it is best to divide it into two parts by the diagonal or main line, which will answer both surveyors as a base line, one surveying the part of the parish or estate on one side of the line, while the second person confines himself to the part on the other side. By this division the survey will be more expeditiously and correctly done, and the possibility of the lines of one survey becoming entangled with those of another avoided. When four surveyors are employed on the same survey, run a base line, as in the last case, where only two were employed; then from some known point in this line run a cross line, dividing the entire into four parts, one of which is taken up by each surveyor. A separate admeasurement of the lines of separation which are common to every two, will serve as a check upon the chaining of those lines. Particular care should be taken that you plot the work every evening, as in the event of an error in the measurement, you can easily discover and re...
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Add this copy of Course of Civil Engineering: Comprising Plane to cart. $19.72, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2022 by Legare Street Press.
Add this copy of Course of Civil Engineering: Comprising Plane to cart. $29.16, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2022 by Legare Street Press.
Add this copy of Course of Civil Engineering: Comprising Plane to cart. $31.38, new condition, Sold by Ria Christie Books rated 4.0 out of 5 stars, ships from Uxbridge, MIDDLESEX, UNITED KINGDOM, published 2022 by Legare Street Press.
Add this copy of Course of Civil Engineering: Comprising Plane to cart. $42.10, new condition, Sold by Ria Christie Books rated 4.0 out of 5 stars, ships from Uxbridge, MIDDLESEX, UNITED KINGDOM, published 2022 by Legare Street Press.
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