A Rudimentary Treatise on Land and Engineering Surveying, with all the modern improvements ... With illustrationsVirtue brothers & Company, 1865 - 232 páginas |
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Página iii
... . To survey a small estate , divided internally by straight fences , with a new and concise method of proving the true position of straight fences without measuring their lengths 50 59 The method of measuring hilly ground The use of the.
... . To survey a small estate , divided internally by straight fences , with a new and concise method of proving the true position of straight fences without measuring their lengths 50 59 The method of measuring hilly ground The use of the.
Página x
... proving the positions of straight fences ; which positions all previous authors have deter- mined by the crossing of two chain lines , or by prolonging each straight fence to two chain lines ; which methods constitute no check on wrong ...
... proving the positions of straight fences ; which positions all previous authors have deter- mined by the crossing of two chain lines , or by prolonging each straight fence to two chain lines ; which methods constitute no check on wrong ...
Página 40
... proving them . A D 9 B EXAMPLES . 1. In the annexed figure the lines AB , BC , CD , DA are measured , marks being left at p , q , and r , and their respective distances on the lines noted in the field - book , thus furnishing the ...
... proving them . A D 9 B EXAMPLES . 1. In the annexed figure the lines AB , BC , CD , DA are measured , marks being left at p , q , and r , and their respective distances on the lines noted in the field - book , thus furnishing the ...
Página 44
... proving its accuracy . The student will at once perceive that the triangle mn D should be first laid down , and its sides Dm , Dn , prolonged to the stations C and E , from whence the lines C B , E A , must respectively reach the points ...
... proving its accuracy . The student will at once perceive that the triangle mn D should be first laid down , and its sides Dm , Dn , prolonged to the stations C and E , from whence the lines C B , E A , must respectively reach the points ...
Página 45
... proving the accuracy of their positions . The two main triangles of the survey , viz . An E , mBC , mutu- ally prove one another by the intersection at the station D. It will be unnecessary to explain the method of laying down the ...
... proving the accuracy of their positions . The two main triangles of the survey , viz . An E , mBC , mutu- ally prove one another by the intersection at the station D. It will be unnecessary to explain the method of laying down the ...
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Otras ediciones - Ver todas
Elementary Treatise on Land Engineering Survey with All the Modern ... Thomas Baker Vista completa - 1859 |
Términos y frases comunes
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
Pasajes populares
Página 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.
Página 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...
Página 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.
Página 8 - Similar triangles are to one another in the duplicate ratio of their homologous sides.