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 vi
... surface , the Levels of which have been taken 135 Level Book 136 Datum Line · 136 Practical Level Book 137 Running a Check Level 138 Level Book for ditto 142 Levelling for the Formation of a Section 144 Level Book for Plotting the ...
... surface , the Levels of which have been taken 135 Level Book 136 Datum Line · 136 Practical Level Book 137 Running a Check Level 138 Level Book for ditto 142 Levelling for the Formation of a Section 144 Level Book for Plotting the ...
Página vii
... SURFACE WIDTHS OF RAILWAYS . Prob . I. To set out the width of a railway cutting , when the surface of the ground is laterally level , and at a given height above the formation level , the ratio of the slopes being given · Prob . II ...
... SURFACE WIDTHS OF RAILWAYS . Prob . I. To set out the width of a railway cutting , when the surface of the ground is laterally level , and at a given height above the formation level , the ratio of the slopes being given · Prob . II ...
Página 1
... surface or plane has length and breadth , as B. A B 4. A right or straight line lies wholly in the same direction , as A B. 5. Parallel lines are always at the same distance , and never meet when prolonged , as A B and C D. 6. An angle ...
... surface or plane has length and breadth , as B. A B 4. A right or straight line lies wholly in the same direction , as A B. 5. Parallel lines are always at the same distance , and never meet when prolonged , as A B and C D. 6. An angle ...
Página 52
... surface of the ground . For many ordinary purposes the horizontal measurement may be obtained by holding the end of the chain up so as to keep it horizontal , as nearly as can be judged by the eye , the arrow being placed vertical under ...
... surface of the ground . For many ordinary purposes the horizontal measurement may be obtained by holding the end of the chain up so as to keep it horizontal , as nearly as can be judged by the eye , the arrow being placed vertical under ...
Página 72
... surface silvered , and which must be adjusted that its plane may be perpendicular to the plane of the instrument , and parallel to the plane of the index glass , when the index is at zero . The instrument is provided with two dark ...
... surface silvered , and which must be adjusted that its plane may be perpendicular to the plane of the instrument , and parallel to the plane of the index glass , when the index is at zero . The instrument is provided with two dark ...
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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.