A Treatise on Land Surveying in Theory and Practice ...1869 |
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Page x
... proportional lines Same , by another method • 6499 34 7 34 8 • 36 9 3 37 88888888 235 == 313 38 10 39 11 40 12 41 13 42 14 43 15 44 16 45 17 45 Same , by measurements in a parallel line 46 Same , on a construction with the theodolite ...
... proportional lines Same , by another method • 6499 34 7 34 8 • 36 9 3 37 88888888 235 == 313 38 10 39 11 40 12 41 13 42 14 43 15 44 16 45 17 45 Same , by measurements in a parallel line 46 Same , on a construction with the theodolite ...
Page xiii
... Proportional division , according to quantity Same , according to value . Equalising boundary lines Reconnoitring Surveys : Objects of the survey - equipment , & c . - mode of pro- ceeding — measuring a base line - triangulation ...
... Proportional division , according to quantity Same , according to value . Equalising boundary lines Reconnoitring Surveys : Objects of the survey - equipment , & c . - mode of pro- ceeding — measuring a base line - triangulation ...
Page xviii
... proportionally according to area 244 23 . Same , proportionally according to value 245 24. Intake of lands for railways , & c . 246 25. To find solid content of passages in mining surveys 246 26. To find the longitude by lunar distances ...
... proportionally according to area 244 23 . Same , proportionally according to value 245 24. Intake of lands for railways , & c . 246 25. To find solid content of passages in mining surveys 246 26. To find the longitude by lunar distances ...
Page 36
... proportional lines for computation make small acute angles with one another . * From this it may be seen that well conditioned constructions should have the determining lines equal , or nearly equal , to the inacces- sible distance ...
... proportional lines for computation make small acute angles with one another . * From this it may be seen that well conditioned constructions should have the determining lines equal , or nearly equal , to the inacces- sible distance ...
Page 40
... part of tv , an ' will be a like sub - multiple , or proportional part , of an . H By ( arithmetical ) computation of a side in similar tri- angles we are enabled to find inaccessible distances in the 40 ON LAND SURVEYING .
... part of tv , an ' will be a like sub - multiple , or proportional part , of an . H By ( arithmetical ) computation of a side in similar tri- angles we are enabled to find inaccessible distances in the 40 ON LAND SURVEYING .
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Common terms and phrases
accuracy accurately adjacent angles adjusted already described altitude angular instrument angular point ascertained atmospheric refraction axis base line bisection centre chain length chord clamped computed contained angle convenient correct corresponding determined diagram difference direction district endless wire equal error due field field-book formula given graduated ground horizontal distance horizontal limb inaccessible distances inclined intermediate points laid lines traced lunar distance manner marked measured angle ment meridian observed obstruction obtained parallel lines parcel perpendicular plotted point of intersection polygon position practical primary protractor purpose reading reference line reference point refraction remote point scale secondary selected sextant similar triangles slow-motion screw spherical spherical excess staff straight line suitable surface configuration survey of detail surveyor tangent telescope theodolite tion traced to intersect traverse triangles trig trigonometrical survey tube verify vernier vertical angles vertical limb vertical plane 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 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.
Page 298 - Nesbit's Mensuration, and Key. A Treatise on Practical Mensuration : containing the most approved Methods of drawing Geometrical Figures; Mensuration of Superficies; Land Surveying; Mensuration of Solids ; the Use of the Carpenter's Rule ; Timber Measure, in which is shewn the method of Measuring and Valuing Standing Timber ; Artificers' Works, illustrated by the Dimensions and Contents of a House; a Dictionary of the Terms used in Architecture, &c.
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.