A Rudimentary Treatise on Land and Engineering Surveying, with all the modern improvements ... With illustrationsVirtue brothers & Company, 1865 - 232 páginas |
Dentro del libro
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Página iv
... reducing crooked fences to straight ones Surveying large Estates or Parishes PAGE 52 54 58 CHAPTER IV . DRAWING AND SURVEYING INSTRUMENTS . The Vernier Scale 62 Plotting extensive surveys from this Scale 63 The Beam Compasses Other ...
... reducing crooked fences to straight ones Surveying large Estates or Parishes PAGE 52 54 58 CHAPTER IV . DRAWING AND SURVEYING INSTRUMENTS . The Vernier Scale 62 Plotting extensive surveys from this Scale 63 The Beam Compasses Other ...
Página 16
... reduce to acres , rods , and poles by the preceding table for square measure , as in the following examples . If the dimensions be given in yards , divide the product by 4840 for acres , & c . EXAMPLES . 1. What is the area of the ...
... reduce to acres , rods , and poles by the preceding table for square measure , as in the following examples . If the dimensions be given in yards , divide the product by 4840 for acres , & c . EXAMPLES . 1. What is the area of the ...
Página 38
... reduced to a figure bounded by right lines only , which may thence be much more expeditiously reduced to triangles , trapeziums , & c . The method of drawing these lines is usually by a straight edged ruler of transparent horn , or by a ...
... reduced to a figure bounded by right lines only , which may thence be much more expeditiously reduced to triangles , trapeziums , & c . The method of drawing these lines is usually by a straight edged ruler of transparent horn , or by a ...
Página 49
... reduced by casting the two crooked sides , the area will be found 458,065 square links , or 4a . 2r . 13p . 0 From NOTE . As a general rule for surveying woods and lakes , the following may be given : -Measure as many lines round the ...
... reduced by casting the two crooked sides , the area will be found 458,065 square links , or 4a . 2r . 13p . 0 From NOTE . As a general rule for surveying woods and lakes , the following may be given : -Measure as many lines round the ...
Página 52
... Reduction . Angle . Reduction . Angle . Reduction . 3o 0 ' 0.15 9 ° O ' 1.23 15 ° 0 ' 3.41 30 0.19 30 1.37 30 3.64 4 0 0.24 10 0 1.53 16 0 3.87 30 0.31 30 1.67 30 4.12 0 0.38 11 0 1.84 17 0 4.37 30 0.46 30 2.01 30 4.63 6 0 0.55 12 0 ...
... Reduction . Angle . Reduction . Angle . Reduction . 3o 0 ' 0.15 9 ° O ' 1.23 15 ° 0 ' 3.41 30 0.19 30 1.37 30 3.64 4 0 0.24 10 0 1.53 16 0 3.87 30 0.31 30 1.67 30 4.12 0 0.38 11 0 1.84 17 0 4.37 30 0.46 30 2.01 30 4.63 6 0 0.55 12 0 ...
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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.