Land and marine surveying1868 - 184 halaman |
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Halaman 5
... taken that no mistake is made , as a crooked line instead of a straight one would be the result . Whites . — The use of poles may often be avoided by using whites ; these consist of a few pieces of white paper stuck in the clefts cut in ...
... taken that no mistake is made , as a crooked line instead of a straight one would be the result . Whites . — The use of poles may often be avoided by using whites ; these consist of a few pieces of white paper stuck in the clefts cut in ...
Halaman 9
... taken up again , and a peg driven in its place , or it should be made to lean to the right or left , so as not to obscure the view forward . Either this first plan should be adopted , or else that of com- mencing the pricking out by the ...
... taken up again , and a peg driven in its place , or it should be made to lean to the right or left , so as not to obscure the view forward . Either this first plan should be adopted , or else that of com- mencing the pricking out by the ...
Halaman 10
... taken in the left hand , the bulk of the chain being held in the right ; a few links are then loosened out of the right hand , and with a jerk the rest is cast out . A chainman goes up to the half - chain mark , when the two halves are ...
... taken in the left hand , the bulk of the chain being held in the right ; a few links are then loosened out of the right hand , and with a jerk the rest is cast out . A chainman goes up to the half - chain mark , when the two halves are ...
Halaman 15
... taken from the chain to any object on the right or left , as , for instance , an angle or a bend in a fence , stream , or road ; to a junction of fences , or the corner of a build- ing , & c . Offsets are always taken at right angles to ...
... taken from the chain to any object on the right or left , as , for instance , an angle or a bend in a fence , stream , or road ; to a junction of fences , or the corner of a build- ing , & c . Offsets are always taken at right angles to ...
Halaman 16
... taken , stand sideways on the chain , and move backwards or forwards , until you come to the point from which a vertical points to the angle or bend to which the offset is to be taken . Offsets may be measured by pacing , with the tape ...
... taken , stand sideways on the chain , and move backwards or forwards , until you come to the point from which a vertical points to the angle or bend to which the offset is to be taken . Offsets may be measured by pacing , with the tape ...
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Istilah dan frasa umum
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.