Tacheometer Surveying with Special Notes on Plotting, Care and Adjustment of Instruments, Field Work, and Calculations |
From inside the book
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Page 1
... exactly calculated , and the lengths of the lines can be measured with a suitable scale . With these data , the area of the enclosure or figure can be ascertained , and the plan of it , if necessary , can be repro- duced upon any other ...
... exactly calculated , and the lengths of the lines can be measured with a suitable scale . With these data , the area of the enclosure or figure can be ascertained , and the plan of it , if necessary , can be repro- duced upon any other ...
Page 8
... exactly or 0.1 centi- metre behind the first one upon AB , its second division mark is or 0.2 centimetre behind the nearest one to it on AB , and the third , fourth , fifth , etc. , division marks on CD are respectively 0-3 centimetre ...
... exactly or 0.1 centi- metre behind the first one upon AB , its second division mark is or 0.2 centimetre behind the nearest one to it on AB , and the third , fourth , fifth , etc. , division marks on CD are respectively 0-3 centimetre ...
Page 10
... exactly with one on the circle scale below it ; the value marked on the vernier against this division gives the number of odd minutes to be added to the whole degrees ( and possibly a half - degree ) . A vernier made to read single ...
... exactly with one on the circle scale below it ; the value marked on the vernier against this division gives the number of odd minutes to be added to the whole degrees ( and possibly a half - degree ) . A vernier made to read single ...
Page 15
... exactly horizontal and vertical . The Level - Bubbles . In the theodolite , which has no level - bubble on the tele- scope , this is done by reference to the bubbles ( fig . 5 ) upon the horizontal plate . But in the tacheometer a more ...
... exactly horizontal and vertical . The Level - Bubbles . In the theodolite , which has no level - bubble on the tele- scope , this is done by reference to the bubbles ( fig . 5 ) upon the horizontal plate . But in the tacheometer a more ...
Page 16
... exactly to the correct position on every occasion . The first time an instrument is levelled up after being taken from its box , it is therefore necessary to examine this adjustment in addition to levelling up the instrument ...
... exactly to the correct position on every occasion . The first time an instrument is levelled up after being taken from its box , it is therefore necessary to examine this adjustment in addition to levelling up the instrument ...
Other editions - View all
Tacheometer Surveying with Special Notes on Plotting, Care and Adjustment of ... Mark Erskine Yorke Eliot No preview available - 2016 |
Tacheometer Surveying with Special Notes on Plotting, Care and Adjustment of ... Mark Erskine Yorke Eliot No preview available - 2016 |
Common terms and phrases
accuracy adjustment Bearing and Distance Calculation centimetre Centre wire reading clamp Closing Error collimation level column contour line correct cos² crown 8vo decimal demy 8vo diagram direction division Electric Engineers exactly fall of line fcap feet field book field notes figures folding plates footscrews graduated Handbook height illus instrument collimation leather length line of sight Log diff logarithms lower axis marked measured meridian method minus minutes of arc N. H. Schneider Observed Distance obtained parallel ruler Planimeter plotting position Practical protractor R.L. of instrument R.L. of line Railway reading on staff reduced level Rise or fall scale Second edition sewed sight at staff slide slide-rule spot-levels square starting-point station points survey tacheometer tangent screw telescope bubble theodolite Third edition transit axis traverse lines vernier scale vernier zero vertical angle vertical arc vertical circle York zero line
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