A Rudimentary Treatise on Land and Engineering Surveying, with all the modern improvements ... With illustrationsVirtue brothers & Company, 1865 - 232 pages |
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Page vii
... fall of the ground in a given horizontal distance being also given · - · · Prob . III . The same things being given as in Prob . II . , to set out the width , when it consists partly of a cutting , and partly of an em- . bankment - Prob ...
... fall of the ground in a given horizontal distance being also given · - · · Prob . III . The same things being given as in Prob . II . , to set out the width , when it consists partly of a cutting , and partly of an em- . bankment - Prob ...
Page 5
... fall a perpendicular to a given line . 1 When the point is nearly opposite the middle of the line . From C , as a centre , describe an arc to cut AB in m and n ; -with centres m and n , and the same or any other radius , describe arcs ...
... fall a perpendicular to a given line . 1 When the point is nearly opposite the middle of the line . From C , as a centre , describe an arc to cut AB in m and n ; -with centres m and n , and the same or any other radius , describe arcs ...
Page 18
... fall on the shorter diagonal , without its being prolonged ; and when this is the case with both diagonals , one of the sides may be taken for a base , or two of the sides , if necessary . TO FIND THE CONTENT . RULE . Multiply the sum ...
... fall on the shorter diagonal , without its being prolonged ; and when this is the case with both diagonals , one of the sides may be taken for a base , or two of the sides , if necessary . TO FIND THE CONTENT . RULE . Multiply the sum ...
Page 52
... falls , or both alternately , the horizontal distances are what are required in plotting the survey , as well as for finding the con- tent ... fall , requiring 52 LAND SURVEYING BY THE CHAIN ONLY . The method of measuring hilly ground.
... falls , or both alternately , the horizontal distances are what are required in plotting the survey , as well as for finding the con- tent ... fall , requiring 52 LAND SURVEYING BY THE CHAIN ONLY . The method of measuring hilly ground.
Page 53
Thomas Baker (Civil engineer). distance , measured on each rise or fall , requiring to be multi- plied by the ... falls 11 ° and measures 32.28 chains , re- quired the horizontal distance between the extremities of the line thus measured ...
Thomas Baker (Civil engineer). distance , measured on each rise or fall , requiring to be multi- plied by the ... falls 11 ° and measures 32.28 chains , re- quired the horizontal distance between the extremities of the line thus measured ...
Contents
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Common terms and phrases
ABCD accuracy acres adjustment arches axis beam compasses breadth bubble centre chains common correct cross sections cubic yards cutting datum line depth direction distance divided draw embankments equal error EXAMPLE feet field book figure finding the contents fore sights formation level formula Gentleman's Diary given gradient ground height horizontal inches instrument intersection laid Lay the ruler length level book main line mark measured mile move it parallel NOTE object offsets parallax parallel ruler perpendicular position Prob protractor quality lines quantity of land radii radius railway curves Rankine's method ratio right angles river river Ouse road scale screw serpentine curve shewn shews side sine slopes spirit level square links staff stations straight fence surface survey surveyors taken taking tangent telescope theodolite tion Tithe Commissioners trapezium triangle tube tunnel vernier vernier scale vertical viaduct whence
Popular passages
Page 3 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, &c.
Page 123 - An Act for consolidating in one Act certain provisions usually inserted in Acts of inclosure, and for facilitating the mode of proving the several facts usually required on the passing of such Acts...
Page 240 - Gd. 108*. METROPOLIS LOCAL MANAGEMENT AMENDMENT ACT, 1862 ; with Notes and Index. Is. 109. NUISANCES REMOVAL AND DISEASE PREVENTION ACT. Is. 110. RECENT LEGISLATIVE ACTS applying to Contractors, Merchants, and Tradesmen. Is.
Page 8 - Similar triangles are to one another in the duplicate ratio of their homologous sides.