Mining Engineers' Handbook, Volume 2Robert Peele, John Adams Church J. Wiley & sons, Incorporated, 1941 |
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Halaman 17-8
... Correct half apparent error by the screws of cross - hair ring , adjusting first one hair and then the other . ( b ) Bubble adjustment by indirect method . Bring bubble to center of its tube and clamp vert axis . Rotate telescope in the ...
... Correct half apparent error by the screws of cross - hair ring , adjusting first one hair and then the other . ( b ) Bubble adjustment by indirect method . Bring bubble to center of its tube and clamp vert axis . Rotate telescope in the ...
Halaman 18-8
... correct deflection angle . In this manner instrumental errors are compensated , and possible error of each individual reading is reduced to 15 sec . Mistake most likely to occur while traversing by this method is to confuse right and ...
... correct deflection angle . In this manner instrumental errors are compensated , and possible error of each individual reading is reduced to 15 sec . Mistake most likely to occur while traversing by this method is to confuse right and ...
Halaman 36-39
... correct sense assumed . ( e ' ) Assume Q upward to the left at angle ZFx ΣΡΥ = with horizontal . By ( c ) 0 = 25 000 sin 30 ° = 0 = 25 000 cos 30 ° + 20 000 - - Q cos 0 , - 24 430 - Q sin o Solving simultaneously , Q 21 300 lb , and ...
... correct sense assumed . ( e ' ) Assume Q upward to the left at angle ZFx ΣΡΥ = with horizontal . By ( c ) 0 = 25 000 sin 30 ° = 0 = 25 000 cos 30 ° + 20 000 - - Q cos 0 , - 24 430 - Q sin o Solving simultaneously , Q 21 300 lb , and ...
Isi
COMPRESSED | 15 |
Applications Definitions Data | 15-44 |
Accident Compensation Pensions | 16-1 |
Hak Cipta | |
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