Land and marine surveying1868 - 184 halaman |
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Halaman 3
... half a dozen miles , to pick up a pole , left behind on the work . It is not indeed an uncommon thing to dispense with poles almost entirely , and to cut out of a copse or hedge a few of the tallest convenient sticks to be come at . We ...
... half a dozen miles , to pick up a pole , left behind on the work . It is not indeed an uncommon thing to dispense with poles almost entirely , and to cut out of a copse or hedge a few of the tallest convenient sticks to be come at . We ...
Halaman 4
... half an inch at top ; they should be painted red and white , in foot lengths , from top to bottom . The advantage of these colours is , that it makes them more conspicuous than they would otherwise be , and that portions of them are ...
... half an inch at top ; they should be painted red and white , in foot lengths , from top to bottom . The advantage of these colours is , that it makes them more conspicuous than they would otherwise be , and that portions of them are ...
Halaman 5
William Davis Haskoll. for instance , sending on a man half a mile or a mile , and often more , when there may be a tree , or chimney , or other conspicuous object on the ground which may answer the same purpose . Indeed , it is often ...
William Davis Haskoll. for instance , sending on a man half a mile or a mile , and often more , when there may be a tree , or chimney , or other conspicuous object on the ground which may answer the same purpose . Indeed , it is often ...
Halaman 10
... half - chain mark , when the two halves are readily parted , and the work may commence at once . Any other method often leads to the links getting tangled together in the manner we have just mentioned . Leader and Follower . - The ...
... half - chain mark , when the two halves are readily parted , and the work may commence at once . Any other method often leads to the links getting tangled together in the manner we have just mentioned . Leader and Follower . - The ...
Halaman 11
... half that quantity ; so that , in fact , instead of being trifling , they are of the greatest importance to the day's work ; and not only this , but the men themselves have not half the labour to go through . Let your chainmen ...
... half that quantity ; so that , in fact , instead of being trifling , they are of the greatest importance to the day's work ; and not only this , but the men themselves have not half the labour to go through . Let your chainmen ...
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adjustment arrow ascertain base line beam compasses box sextant broad arrow centre chain line chainage chainman Chap clamp cloth co-efficients coincide compass correct cosine coversine depth difference distance divisions draw edge engineering equal error exactly feet long fence field book fixed gamboge gauge give Gunter's chain half high water horizon glass inches instance instrument intersection leader length loosen lunitidal intervals manner mark means measure ment minutes notch object observations obtained offset staff Outfall Sewer overfall Oyster Rock paper parallel parallel ruler pencil plot pole practice prick protractor quantity Railway rain gauge rainfall reading referred right angles road scale side sight sine square station straight line straight-edge streams suppose survey surveyor Tables taken telescope theodolite tie line timber tion tracing traverse triangle TRIGONOMETRY turn vernier plate vertical W. D. Hamilton woodcuts zero
Bagian yang populer
Halaman 8 - ... 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
Halaman 11 - Chemical Analysis. THE COMMERCIAL HANDBOOK of CHEMICAL ANALYSIS ; or Practical Instructions for the determination of the Intrinsic or Commercial Value of Substances used in Manufactures, in Trades, and in the Arts. By A. NORMANDY, Author of " Practical Introduction to Rose's Chemistry," and Editor of Rose's " Treatise on Chemical Analysis.
Halaman 6 - MEDIEVAL ; from the Eighth Century, with Numerals ; including Gothic, Church-Text, large and small, German, Italian, Arabesque, Initials for Illumination, Monograms, Crosses, &c. &c., for the use of Architectural and Engineering Draughtsmen, Missal Painters, Masons, Decorative Painters, Lithographers, Engravers, Carvers, &c. &c.
Halaman 125 - 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.
Halaman 7 - Timber Merchant's Companion. THE TIMBER MERCHANT'S AND BUILDER'S COMPANION ; containing New and Copious Tables of the Reduced Weight and Measurement of Deals and Battens, of all sizes, from One to a Thousand Pieces, and the relative Price that each size bears per Lineal Foot to any given Price per Petersburgh Standard Hundred ; the Price per Cube Foot of Square...
Halaman 5 - THE CARPENTER'S NEW GUIDE. Or, Book of Lines for Carpenters ; comprising all the Elementary Principles essential for acquiring a knowledge of Carpentry. Founded on the late PETER NICHOLSON'S standard work. A New Edition, Revised by ARTHUR ASHPITEL, FSA Together with Practical Rules on Drawing, by GEORGE PYNE. With 74 Plates, 410, cloth £1 1 s.
Halaman 6 - A volume in which the letters of the alphabet come forth glorified in gilding and all the colours of the prism interwoven and intertwined and intermingled, sometimes with a sort of rainbow arabesque.
Halaman 15 - Strength of Cast Iron, &c. A PRACTICAL ESSAY on the STRENGTH of CAST IRON and OTHER METALS. By the late THOMAS TREDGOLD, Mem. Inst. CE, Author of "Elementary Principles of Carpentry,
Halaman 13 - Tables for Packing-Case Makers. PACKING-CASE TABLES; showing the number of Superficial Feet in Boxes or Packing-Cases, from six inches square and upwards. Compiled by WILLIAM RICHARDSON, Accountant. Oblong 4to, cloth, price y. 6d. "Will save much labour and calculation to packing-case makers and those who use packing-cases." — Grocer. " Invaluable labour-saving tables.
Halaman 4 - The High-Pressure Steam Engine. THE HIGH-PRESSURE STEAM ENGINE ; an Exposition of its Comparative Merits, and an Essay towards an Improved System of Construction, adapted especially to secure Safety and Economy. By Dr. ERNST ALBAN, Practical Machine Maker, Plau, Mecklenberg. Translated from the German, with Notes, by Dr. POLE, FRS, M.