A Treatise on Land Surveying in Theory and Practice ...1869 |
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Page ix
... Correct ( standard ) length of the chain Laying down a standard for use in the field Measuring horizontal distances with the chain -Preliminary training . Measuring , with the chain , the horizontal distance of a given straight line ...
... Correct ( standard ) length of the chain Laying down a standard for use in the field Measuring horizontal distances with the chain -Preliminary training . Measuring , with the chain , the horizontal distance of a given straight line ...
Page xvi
... correct the clock - astronomically . PAGE FIG . 182 60 183 184 61 185 186 187 188 62 689 189 63 190 6968 · 191 64 192 65 PART II . CHAPTER VI . OFFICE WORK . Plotting surveys - map making - scales ( linear ) how generally expressed ...
... correct the clock - astronomically . PAGE FIG . 182 60 183 184 61 185 186 187 188 62 689 189 63 190 6968 · 191 64 192 65 PART II . CHAPTER VI . OFFICE WORK . Plotting surveys - map making - scales ( linear ) how generally expressed ...
Page 1
... plane would not be strictly correct . In these cases the area should be com- puted as for a spherical surface , at a given distance B from the centre of the earth ( usually the level GENERAL REMARKS -Preliminary Training.
... plane would not be strictly correct . In these cases the area should be com- puted as for a spherical surface , at a given distance B from the centre of the earth ( usually the level GENERAL REMARKS -Preliminary Training.
Page 2
... correctly refer the position of the detail . In hydrographical surveys , and surveys for a map only , the position of the ... correct representa- tion of the detail surveyed with these instruments , plotting scales , or measures of equal ...
... correctly refer the position of the detail . In hydrographical surveys , and surveys for a map only , the position of the ... correct representa- tion of the detail surveyed with these instruments , plotting scales , or measures of equal ...
Page 4
... CORRECT LENGTH OF THE CHAIN , Iron , of which chains are manufactured , expands with increase of temperature . Hence a chain has a ' standard length ' at a ' standard temperature . ' * Whenever the temperature changes , a corresponding ...
... CORRECT LENGTH OF THE CHAIN , Iron , of which chains are manufactured , expands with increase of temperature . Hence a chain has a ' standard length ' at a ' standard temperature . ' * Whenever the temperature changes , a corresponding ...
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...
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.
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.