A Treatise on Land Surveying in Theory and Practice ...1869 |
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Page vi
... follow the example of others , and lay claim , in this place , to the new matters , and the improvements on operations not altogether new which are described in many places through- out the work , if such information were of much ...
... follow the example of others , and lay claim , in this place , to the new matters , and the improvements on operations not altogether new which are described in many places through- out the work , if such information were of much ...
Page 13
... follow the trace of the line , and make the angular measurements ( 4 ) for inclination of the several planes selected by the surveyor ( such as A — 1 , 1—2 , 2—3 , & c . ) . From these data the horizontal distance may be computed for ...
... follow the trace of the line , and make the angular measurements ( 4 ) for inclination of the several planes selected by the surveyor ( such as A — 1 , 1—2 , 2—3 , & c . ) . From these data the horizontal distance may be computed for ...
Page 21
... follows : - When the whole of the line is visible from one end , the surveyor should send his assistant forward with a flag - pole or ranging - rod to a suitable point approximately in the line . At this point the assistant should hold ...
... follows : - When the whole of the line is visible from one end , the surveyor should send his assistant forward with a flag - pole or ranging - rod to a suitable point approximately in the line . At this point the assistant should hold ...
Page 23
... forward side of the obstruction will not be made with the required accuracy for a correct survey . The line may be traced differently as follows : -From a point m ( fig . 3 ) in the TRACING STRAIGHT LINES PAST OBSTRUCTIONS . 23.
... forward side of the obstruction will not be made with the required accuracy for a correct survey . The line may be traced differently as follows : -From a point m ( fig . 3 ) in the TRACING STRAIGHT LINES PAST OBSTRUCTIONS . 23.
Page 26
... follows : - In the annexed diagram ( fig . 4 ) let the sides of the triangle A B C be represented by a b c , and let l represent Fig . 4 . A. d n m B C the split line Ad . The lines abcl and the segments Bd dC are given by chain mea ...
... follows : - In the annexed diagram ( fig . 4 ) let the sides of the triangle A B C be represented by a b c , and let l represent Fig . 4 . A. d n m B C the split line Ad . The lines abcl and the segments Bd dC are given by chain mea ...
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Common terms and phrases
accuracy accurately adjacent angles adjusted already described altitude angular instrument angular point ascer atmospheric refraction axis base line bisection centre chain length chord circular curves clamped collimation computed contained angle contour points convenient correct corresponding determined diagram difference direction district equal error due extremities field field-book flag pole formula forward given ground horizontal limb inclination intermediate points known points laid lines traced lunar distance magnetic angle manner marked measured angle ment meridian observed obstruction obtained opposite sides parallel lines parallelogram parcel perpendiculars plotted point of intersection position prismatic compass protractor purpose reading reference point refraction remote point scale selected spherical spherical excess staff standard length straight line suitable surface configuration survey of detail surveyor tangent telescope temperature theodolite tion triangles trig trigonometrical survey tube verified verniers vertical angles vertical limb vertical plane wand water margins wire zero
Popular passages
Page 291 - The term, however, when used to express the fineness of gold, has a relative meaning only. Every mass of alloyed gold is supposed to be divided into 24 equal parts ; thus the standard for coin is 22 carat fine, that is, it consists of 22 parts of pure gold and 2 parts of alloy.
Page 291 - Measure 144 square inches = 1 square foot 9 square feet = 1 square yard 30J square yards = 1 square rod 160 square rods = 1 acre 640 acres = 1 square mile Cubic Measure 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard 128 cubic feet...
Page 305 - HISTORY of MODERN MUSIC; a Course of Lectures delivered at the Royal Institution. By JOHN HULLAH, Professor of Vocal Music in King's College and in Queen's College, London. Post 8vo.
Page 60 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
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Page 299 - The School-Books, Atlases, Maps, &c. comprised in this Catalogue may be inspected in the Educational Department of Messrs. LONGMANS and Co. 39 Paternoster How, London, where also all other works published by them may be seen.
Page 252 - ... rectilineal figures are to one another in the duplicate ratio of their homologous sides.
Page 303 - Stevens and Hole's Arithmetical Examination Cards, in Eight Sets, each Set consisting of Twenty-Four Cards. Price Is. per Set. A. Simple Addition and Subtraction. B. Simple Multiplication and Division. C. Compound Rules (Money>. D. Compound Rules (Weights and Measures). E. Practice and Bills of Parcels. F. Vulgar and Decimal Fractions. G. Simple and Compound Proportion.