Surveying, as Practiced by Civil Engineers and Surveyors ...: Intended as a Handbook for Field and Office Use, Also as a Textbook for Students |
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Page viii
... Observations for Cancelling Refraction - Reduction of the observed Angles from the Summits of Signals - Measurement of Heights by Observation to the Sea Horizon - Precise Spirit Levelling - Instruments : Level - Kern Level - Levelling ...
... Observations for Cancelling Refraction - Reduction of the observed Angles from the Summits of Signals - Measurement of Heights by Observation to the Sea Horizon - Precise Spirit Levelling - Instruments : Level - Kern Level - Levelling ...
Page xi
... Observations with two Theodolites - Soundings in Rivers or Narrow Waters - River Surveys - Running Survey of 200 Miles of River Nile - Datum - Bench Marks - Tide Gauges- Reduction of Soundings - Currents - Current Meter - Signals ...
... Observations with two Theodolites - Soundings in Rivers or Narrow Waters - River Surveys - Running Survey of 200 Miles of River Nile - Datum - Bench Marks - Tide Gauges- Reduction of Soundings - Currents - Current Meter - Signals ...
Page xii
... Observation of Sun or Star - Errors in Calculated Azimuth by Sun Observation due to given Errors in Latitude and Declination- Example of finding Meridian by Extra Meridian Observation of Sun - Coaltitude - Colatitude - Codeclination ...
... Observation of Sun or Star - Errors in Calculated Azimuth by Sun Observation due to given Errors in Latitude and Declination- Example of finding Meridian by Extra Meridian Observation of Sun - Coaltitude - Colatitude - Codeclination ...
Page xiv
... Observation of the Angles : Method of Repetition - Method of observing Horizontal Angles adopted on Ordnance Survey ... Observations - Correction by Reciprocals of Squares of Number of Observations - Adjustment of Angles inversely as ...
... Observation of the Angles : Method of Repetition - Method of observing Horizontal Angles adopted on Ordnance Survey ... Observations - Correction by Reciprocals of Squares of Number of Observations - Adjustment of Angles inversely as ...
Page 19
... observed in laying out the Chain Lines . - It may also be observed as a general rule that the best plan in laying out the chain lines is to run a line throughout the whole length of the ground , as nearly as possible through the centre ...
... observed in laying out the Chain Lines . - It may also be observed as a general rule that the best plan in laying out the chain lines is to run a line throughout the whole length of the ground , as nearly as possible through the centre ...
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Surveying, As Practiced by Civil Engineers and Surveyors ...: Intended As a ... John Whitelaw, Jr. No preview available - 2015 |
Common terms and phrases
accuracy accurate adjustment altitude aneroid axis azimuth back sight barometer bench marks bubble tube calculated centre line chain line Chapter clinometer cloth collimation line compass contours correct cross hairs cross sections Crown 8vo curve D. K. CLARK deflection angle difference distance elevation Engineer equal Feet fence field book fixed fore sight formulæ given gradient graduated Greenwich mean ground Handbook height horizontal Illustrations instrument latitude length longitude magnetic bearings mean measured meridian method metres miles millimetres minutes Nautical Almanac object glass observed angle parallel perpendicular plane Plates plotted plumb line position Practical railway ranging rod right ascension scale screws sextant shown in Fig side slope spherical spirit level stadia hairs staff reading star station surface survey surveyor tacheometer Tacheometry taken tangent point tape telescope temperature theodolite traverse Treatise triangle Troughton & Simms tunnel vernier vertical angle wire
Popular passages
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