A Treatise on Land Surveying in Theory and Practice ...1869 |
From inside the book
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Page xi
... correspond- ing angles - spherical excess Example field - book of angles Measuring vertical angles - refraction Relative altitudes of trig . points Refraction at the earth's surface Measuring meridian angles with prismatic compass ...
... correspond- ing angles - spherical excess Example field - book of angles Measuring vertical angles - refraction Relative altitudes of trig . points Refraction at the earth's surface Measuring meridian angles with prismatic compass ...
Page 2
... corresponding surface is in the horizontal plane , to which , in the survey , the detail shall be referred . In surveying operations two classes of instruments may be used - namely , instruments for measuring dis- tances , and ...
... corresponding surface is in the horizontal plane , to which , in the survey , the detail shall be referred . In surveying operations two classes of instruments may be used - namely , instruments for measuring dis- tances , and ...
Page 4
... corresponding correction should be made on the length of the chain , to bring it to the standard length . If a chain be applied to the ' standard , ' and , when drawn by a strain of from three to five pounds , its length be made equal ...
... corresponding correction should be made on the length of the chain , to bring it to the standard length . If a chain be applied to the ' standard , ' and , when drawn by a strain of from three to five pounds , its length be made equal ...
Page 5
... corresponding temperature in degrees ( Fahr . ) , and the temperature in degrees ( Fahr . ) when the chain is extended for laying down the + tt 1 X will be the error between 153,000 ' standard . ' Then - the chain and standard lengths ...
... corresponding temperature in degrees ( Fahr . ) , and the temperature in degrees ( Fahr . ) when the chain is extended for laying down the + tt 1 X will be the error between 153,000 ' standard . ' Then - the chain and standard lengths ...
Page 10
... corresponding chain length on the inclined plane , and so determines the error due to a chain length on the incline ... correspond- 10 ON LAND SURVEYING .
... corresponding chain length on the inclined plane , and so determines the error due to a chain length on the incline ... correspond- 10 ON LAND SURVEYING .
Contents
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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...
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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.