Aid to survey-practice |
طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
Absc Abscissa accuracy adjustment adopted altitude amount angular measurement angular observation applied axis azimuth base line bearings calculation chain surveys chord collimation contours convenient correct cosec cotg curvature curve datum determined Diff difference direction distant point error exactitude feet FIGURE fixed formulæ Gartok given graduated ground Gunter's chains height hence horizontal angle inch inclination instru intermediate latitude length level-staff longitude lunar distance marked mean ment meridian method micrometer mile mode necessary object obtained ordinary Ordinate pegs plane plate plotting position principle principle of repetition purposes radius reading recorded reduced reflecting refraction right angles right ascensions Route Surveys scale screws set-out setting-out sextant side sights sin² spherical aberration spherical excess staff station staves subtended survey line surveyor taken tangent telemeter telescope theodolite three angles tion traverse triangles Trigonometrical Survey vertical arc wires
مقاطع مشهورة
الصفحة 15 - Designing, Measuring, and Valuing. THE STUDENT'S GUIDE to the PRACTICE of MEASURING, and VALUING ARTIFICERS' WORKS ; containing Directions for taking Dimensions, Abstracting the same, and bringing the Quantities into Bill, with Tables of Constants, and copious Memoranda for the Valuation of Labour and Materials in the respective Trades of Bricklayer and Slater, Carpenter and Joiner, Painter and Glazier, Paperhanger, &c. With 43 Plates and Woodcuts.
الصفحة 5 - Trigonometrical Surveying. 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 the most useful Problems in Geodesy and Practical Astronomy.
الصفحة 16 - Rates, from id. to i68s. per cwt., and containing 186,000 Direct Answers, which, with their Combinations, consisting of a single addition (mostly to be performed at sight), will afford an aggregate of 10,266,000 Answers ; the whole being calculated and designed...
الصفحة 2 - The best treatise that has ever been published on steam boilers." — Engineer. "The author shows himself perfect master of his subject, and we heartily recommend all employing steam power to possess themselves of the work.
الصفحة 3 - 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.
الصفحة 4 - IRON AND STEEL " : A Work for the Forge, Foundry, Factory, and Office. Containing ready, useful, and trustworthy Information for Ironmasters and their Stock-takers ; Managers of Bar, Rail, Plate, and Sheet Rolling Mills; Iron and Metal Founders; Iron Ship and Bridge Builders ; Mechanical, Mining, and Consulting Engineers ; Architects, Contractors, Builders, and Professional Draughtsmen. By CHARLES HOARE, Author of " The Slide Rule,
الصفحة 3 - Each table is printed on a small card, which, being placed on the theodolite, leaves the hands free to manipulate the instrument — no small advantage as regards the rapidity of work.
الصفحة 14 - 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...
الصفحة 2 - Handsomely lithographed and printed. It will find favour with many who desire to preserve in a permanent form copies of the plans and specifications prepared for the guidance of the contractors for many important engineering works.
الصفحة 3 - The Engineer, Fireman, and Engine-Boy. THE MODEL LOCOMOTIVE ENGINEER, FIREMAN, and ENGINE-BOY. Comprising a Historical Notice of the Pioneer Locomotive Engines and their Inventors. By MICHAEL REYNOLDS.