A Treatise on the Plane-table and Its Use in Topographical Surveying: From the Coast Survey Report for 1865 [appendix No. 22]U.S. Government Printing Office, 1884 - 38 páginas |
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Página 16
... tion Tables , " C. S. Report , 1853 , Appendix No. 39 ) , from under the head " Meridional Arcs , " and lay it off ( C ) above and below the central parallel ; and , with the same distance as radius , strike arcs ( D D D D ) above and ...
... tion Tables , " C. S. Report , 1853 , Appendix No. 39 ) , from under the head " Meridional Arcs , " and lay it off ( C ) above and below the central parallel ; and , with the same distance as radius , strike arcs ( D D D D ) above and ...
Página 17
... tion points , which gives their relative distances , their lati- tudes and longitudes , and also the equivalents in metres of the seconds of latitude and longitude , according to which the points are now plotted on the sheet by ...
... tion points , which gives their relative distances , their lati- tudes and longitudes , and also the equivalents in metres of the seconds of latitude and longitude , according to which the points are now plotted on the sheet by ...
Página 18
... tion is completed . It sometimes becomes necessary to base topographical work upon a detached scheme of triangulation before the usual astronomical observations have been made . In this case the only elements given are the distances ...
... tion is completed . It sometimes becomes necessary to base topographical work upon a detached scheme of triangulation before the usual astronomical observations have been made . In this case the only elements given are the distances ...
Página 22
... tion of the sheet , either before any filling in of the topo- graphy is done , or during the progress of the work , depending much upon the character of the country and the skill and judgment of the topographer . Sometimes , from lack ...
... tion of the sheet , either before any filling in of the topo- graphy is done , or during the progress of the work , depending much upon the character of the country and the skill and judgment of the topographer . Sometimes , from lack ...
Página 24
... tion from the occupied point . These methods of deter- mination , and the incidental operations which accompany them , will now be considered . Custom has given this general term a specific signification in Coast Survey topographical ...
... tion from the occupied point . These methods of deter- mination , and the incidental operations which accompany them , will now be considered . Custom has given this general term a specific signification in Coast Survey topographical ...
Otras ediciones - Ver todas
The Plane-table and Its Use in Topographical Surveying Alexander Medina Harrison Vista completa - 1884 |
A Treatise on the Plane-Table and its use in Topographical Surveying: (From ... Vista completa - 1870 |
The Plane-table and Its Use in Topographical Surveying Alexander Medina Harrison Vista completa - 1869 |
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