A Rudimentary Treatise on Land and Engineering Surveying, with all the modern improvements ... With illustrationsVirtue brothers & Company, 1865 - 232 páginas |
Dentro del libro
Resultados 1-5 de 44
Página ix
... rules and formulæ not previously published , being given in notes , apart from the practical matter ; while the demons- trations of all rules previously given in various works of geometry and analytical trigonometry , are omitted , to ...
... rules and formulæ not previously published , being given in notes , apart from the practical matter ; while the demons- trations of all rules previously given in various works of geometry and analytical trigonometry , are omitted , to ...
Página 16
... RULE . Multiply the length by the breadth in links , and the product will be the contents in square links , which reduce to acres , rods , and poles by the preceding table for square measure , as in the following examples . If the ...
... RULE . Multiply the length by the breadth in links , and the product will be the contents in square links , which reduce to acres , rods , and poles by the preceding table for square measure , as in the following examples . If the ...
Página 17
... links ; on which take A D , = 625 links ; at I ) erect the perpendicular D C , which make = 628 links ; join AC , CB , then ABC is the plan of the triangle . TO FIND THE CONTENT . RULE . Multiply the base WITH THE CHAIN AND CROSS . 17.
... links ; on which take A D , = 625 links ; at I ) erect the perpendicular D C , which make = 628 links ; join AC , CB , then ABC is the plan of the triangle . TO FIND THE CONTENT . RULE . Multiply the base WITH THE CHAIN AND CROSS . 17.
Página 18
... RULE . Multiply the sum of the two perpendiculars by the diagonal , and half the product will be the content . EXAMPLES . 1. Let the measurement of a trapezium be as above found , required the content . 344 376 720 1391 27820 9737 2 ...
... RULE . Multiply the sum of the two perpendiculars by the diagonal , and half the product will be the content . EXAMPLES . 1. Let the measurement of a trapezium be as above found , required the content . 344 376 720 1391 27820 9737 2 ...
Página 19
... RULE . Multiply the sum of the two perpendiculars by their distance on the base line for the double area . The double areas of the two triangles must be found as in PROB . II . , and both be added to the double area of the trapezoid ...
... RULE . Multiply the sum of the two perpendiculars by their distance on the base line for the double area . The double areas of the two triangles must be found as in PROB . II . , and both be added to the double area of the trapezoid ...
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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.