Aid to Survey Practice for Reference in Surveying, Levelling, and Setting OutC. Lockwood and Company, 1880 - 382 pages |
From inside the book
Results 6-10 of 25
Page 53
... base line , d be the reduced length of the base line in feet , Then d = 10136.sec M × ( L - L ' ) . 8. The calculation of latitudes , longitudes , and azimuths . Let L be the given latitude of any station , A and C the colatitude . L ...
... base line , d be the reduced length of the base line in feet , Then d = 10136.sec M × ( L - L ' ) . 8. The calculation of latitudes , longitudes , and azimuths . Let L be the given latitude of any station , A and C the colatitude . L ...
Page 99
... base line and will increase with the number of intervening sets of triangles ; it is hence more usual to limit the sets of triangles on any single sheet either to one or to two , one directly dependent on the base line , the other being ...
... base line and will increase with the number of intervening sets of triangles ; it is hence more usual to limit the sets of triangles on any single sheet either to one or to two , one directly dependent on the base line , the other being ...
Page 100
... base line AB having been carefully measured is laid down to scale as ab on the paper ; the plane - table carefully levelled is then set up at A with the line ab adjusted true to AB , and the directions of any number of points , C , D ...
... base line AB having been carefully measured is laid down to scale as ab on the paper ; the plane - table carefully levelled is then set up at A with the line ab adjusted true to AB , and the directions of any number of points , C , D ...
Page 101
... base line are those of primary triangles ; when again the plane - table is moved to any other point C , and ca is used as the fixed direction of departure , the secondary set of points , K , L , M , etc. , is obtained in a similar way ...
... base line are those of primary triangles ; when again the plane - table is moved to any other point C , and ca is used as the fixed direction of departure , the secondary set of points , K , L , M , etc. , is obtained in a similar way ...
Page 104
... base line is measured in some convenient open part of the country that is com- paratively level and free from obstruction , its extremities being chosen so that most of the important points around may be visible from them , and so that ...
... base line is measured in some convenient open part of the country that is com- paratively level and free from obstruction , its extremities being chosen so that most of the important points around may be visible from them , and so that ...
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Aid to Survey Practice for Reference in Surveying, Levelling, and Setting Out Lowis D'Aguilar Jackson No preview available - 2016 |
Common terms and phrases
Absc Abscissa accuracy adjustment adopted altitude amount angular measurement angular observation appliances astronomical observations axis azimuth base line bearings calculation centre chain surveys chord chronometer collimation compass convenient correct corresponding cosec cotg curvature curve determined difference direction distant point equal error feet figure fixed formulæ given graduated Greenwich mean ground Gunter's chains height hence horizontal angle inch instru instrument latitude length level-staff longitude lunar distance marked mean ment meridian method micrometer mile mode Nautical Almanac necessary object obtained operations Ordinate parallax pegs plane pole position principle purposes radii radius reading recorded reduced reflecting refraction right angles right ascensions route-surveys scale screws Section set-out setting-out sextant side sights sin² spherical spherical excess staff station staves subtended superelevation survey line surveyor tangent tangent point telemeter telescope theodolite tion transit traverse triangles Trigonometrical Trigonometrical Survey vertical wires
Popular passages
Page 21 - Those interested in the purchase and sale of estates, and in the adjustment of compensation cases, as well as in transactions in annuities, life insurances, &c., will find the present edition of eminent service.'* — Engineering.
Page 12 - A KEY AND COMPANION to the above Book, forming an extensive repository of Solved Examples and Problems in Illustration of the various Expedients necessary in Algebraical Operations.
Page 6 - Levelling. A TREATISE ON THE PRINCIPLES AND PRACTICE OF LEVELLING. Showing its Application to purposes of Railway and Civil Engineering, in the Construction of Roads; with Mr. TELFORD'S Rules for the same. By FREDERICK W. SIMMS, FGS, M. Inst. CE...
Page 15 - Edition, is. 49. Derivative Spelling-Book : Giving the Origin of Every Word from the Greek, Latin, Saxon, German, Teutonic, Dutch, French, Spanish, and other Languages ; with their present Acceptation and Pronunciation. By J. ROWBOTHAM, FRAS Improved Edition. is. 6d.
Page 9 - AN OUTLINE OF THE METHOD OF CONDUCTING A TRIGONOMETRICAL SURVEY. For the Formation of Geographical and Topographical Maps and Plans, Military Reconnaissance, LEVELLING, &c., with Useful Problems, Formulae, and Tables.
Page 16 - FRENCH. ~~ 24. French Grammar. With Complete and Concise Rules on the Genders of French Nouns. By GL STRAUSS, Ph.D. is 6d 25.
Page 16 - Spanish-English and English-Spanish Dictionary. Including a large number of Technical Terms used in Mining, Engineering, &c., with the proper Accents and the Gender of every Noun. By ALFRED ELWES.
Page 11 - Diagrams. i8mo, 2s. 6d. cloth. " As a really handy book for reference, we know of no work equal to it ; and the railway engineers and others employed in the measurement and calculation of earthwork will find a great amount of practical information very admirably arranged, and available for general or rough estimates, as well as for the more exact calculations required in the engineers
Page 7 - Professor Goodeve has given us a treatise on the steam engine, which will bear comparison with anything written by Huxley or Maxwell, and we can award it no higher praise.
Page 26 - Whether we consider the liberality and beauty of the illustrations, the charm of the writing, or the durable interest of the matter, we must express our belief that there is hardly to be found •among the new books one that would be welcomed by people of so many ages and classes as a valuable present."— Examiner.