Land and Marine Surveying in Reference to the Preparation of Plans for Roads and Railways, Canals, Rivers, Towns' Water Supplies, Docks and Harbours: With Description and Use of Surveying InstrumentsCrosby Lockwood and Company, 1886 - 230 pages |
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Page 35
... compasses would be required to describe some of the arcs mentioned above , particularly as the points of the compasses should be always held as vertical as possible over the paper . To obviate this , we use beam compasses , which will ...
... compasses would be required to describe some of the arcs mentioned above , particularly as the points of the compasses should be always held as vertical as possible over the paper . To obviate this , we use beam compasses , which will ...
Page 60
... compasses ; we must , therefore , have recourse to the beam compasses , by means of which we can describe arcs of any length , eight or ten feet for instance , if the beam is long enough . In order to get the length of line within the ...
... compasses ; we must , therefore , have recourse to the beam compasses , by means of which we can describe arcs of any length , eight or ten feet for instance , if the beam is long enough . In order to get the length of line within the ...
Page 159
... beam compasses , the protraction of angles is done by means of the protractor , perfect enough within certain limits , as we may observe also of the large parallels used for carrying from station to station the lines laid down with the ...
... beam compasses , the protraction of angles is done by means of the protractor , perfect enough within certain limits , as we may observe also of the large parallels used for carrying from station to station the lines laid down with the ...
Other editions - View all
Land and Marine Surveying: In Reference to the Preparation of Plans for ... William Davis Haskoll No preview available - 2017 |
Common terms and phrases
adjustment Architect arrow Author base line beam compasses bisection BOILER box sextant centre chain line chainage clamp cloth Coloured compass Construction Crown 8vo D. K. CLARK distance draw edge Electrical Engineer ENGINEER'S Enlarged equal exactly Fcap feet long fence field book Formulæ Fourth Edition gauge give ground Guide Gunter's chain horizontal Illustrations inches instrument intersection Iron leader length limb lunitidal intervals manner Manual means measure Mechanical method Mining minutes notch object observations offset overfall Oyster Rock paper parallel parallel ruler pencil plot pole Practical Handbook Practical Treatise prick protractor quantity Railway rain gauge rainfall RALPH TATE reading referred Revised right angles road scale SCOTT BURN screw Second Edition side sight sine square staff station straight line straight-edge streams Students survey surveyor Tables taken tangent telescope theodolite Third Edition tie line tion triangle vernier plate vertical zero
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Page 1 - Surveying, Land and Marine. LAND AND MARINE SURVEYING, in Reference to the Preparation of Plans for Roads and Railways ; Canals, Rivers, Towns' Water Supplies: Docks and Harbours.
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