Mining Engineers' Handbook, Volume 2Robert Peele, John Adams Church J. Wiley & sons, Incorporated, 1941 |
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Halaman 17-55
... positions of soundings are " cut in " by a transit reading from shore , or by an angle taken with sextant from boat . ( c ) Boat may be rowed on a range line , or not , while its position is located by angles taken simultaneously by two ...
... positions of soundings are " cut in " by a transit reading from shore , or by an angle taken with sextant from boat . ( c ) Boat may be rowed on a range line , or not , while its position is located by angles taken simultaneously by two ...
Halaman 18-20
... position of wire . ( a ) If period of swing gives enough time , the wire may be followed with the upper tangent motion of the transit , the extreme right and left position being noted on the vernier . The aver of a series of readings ...
... position of wire . ( a ) If period of swing gives enough time , the wire may be followed with the upper tangent motion of the transit , the extreme right and left position being noted on the vernier . The aver of a series of readings ...
Halaman 18-21
... position of the wire is calculated by observations on the two scales . The bob is then discon- nected , and the wire threaded through a fine hole in the brass plug screwed into the square block ; the latter is then placed between the ...
... position of the wire is calculated by observations on the two scales . The bob is then discon- nected , and the wire threaded through a fine hole in the brass plug screwed into the square block ; the latter is then placed between the ...
Isi
COMPRESSED | 15 |
Applications Definitions Data | 15-44 |
Accident Compensation Pensions | 16-1 |
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