Tacheometer Surveying with Special Notes on Plotting, Care and Adjustment of Instruments, Field Work, and Calculations |
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Page 4
... placed hori- zontally , and having stadia lines set 1 : 100 , it is seen that one stadia web cuts a graduated rod , divided into feet and hundredths , at the 1'.00 mark , while the other cuts it at the 2'00 mark , then the distance of ...
... placed hori- zontally , and having stadia lines set 1 : 100 , it is seen that one stadia web cuts a graduated rod , divided into feet and hundredths , at the 1'.00 mark , while the other cuts it at the 2'00 mark , then the distance of ...
Page 10
... placed at their zeros , as in the diagram fig . 4 ( in which the width of the divisions is exaggerated for the sake of clearness ) . The smallest subdivision on the ( horizontal ) circle ( shown in the figure ) is degree , or 30 minutes ...
... placed at their zeros , as in the diagram fig . 4 ( in which the width of the divisions is exaggerated for the sake of clearness ) . The smallest subdivision on the ( horizontal ) circle ( shown in the figure ) is degree , or 30 minutes ...
Page 14
... placed upon the tripod stand , without the telescope , which is usually packed separately . In order to fasten it securely to the stand , the clamp screw Z ( fig . 5 ) is slackened , and the locking plate Y pushed to one side with the ...
... placed upon the tripod stand , without the telescope , which is usually packed separately . In order to fasten it securely to the stand , the clamp screw Z ( fig . 5 ) is slackened , and the locking plate Y pushed to one side with the ...
Page 16
... placed upon its returning 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 ...
... placed upon its returning 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 ...
Page 22
... placed upside down ( in which position its image will appear in the telescope ) , stopping the pencil at even tenths and reading the value indicated in feet and tenths . When this can be easily and quickly done , stop the pencil - point ...
... placed upside down ( in which position its image will appear in the telescope ) , stopping the pencil at even tenths and reading the value indicated in feet and tenths . When this can be easily and quickly done , stop the pencil - point ...
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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