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" A geometric condition of such figure is that the sums of the logarithmic sines of the angles about the base, taken in one direction, must equal the similar sums taken in the other direction, ie the product of the sines must be equal. In the present case,... "
Report - Seite 295
von Maryland Geological Survey - 1898
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Report, Band 2

Maryland Geological Survey - 1898 - 628 Seiten
...triangle, therefore, furnishes an equation of condition, which is known as an angle equation. FIG. 24. The number of angle equations in any figure is...plus 3, minus twice the number of stations in it or l + 3 — 2n. In a quadrilateral, 6 + 3 — 8 = 1. The numerical term in each angle equation is the...
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Report, Band 2

Maryland Geological Survey - 1898 - 626 Seiten
...the product of the sines must be equal. In the present case, log. sin 0, 1, 2 + log. sin 0, 2, 3 -f- log. sin 1, 3; 0 should equal log. sin 1, 2, 0 + log....number of lines in the figure, plus 3, minus twice the munber of stations in it or i + 3 — 2n. In a quadrilateral, 6 + 3 — 8 = 1. The numerical term in...
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Topographic Surveying: Including Geographic, Exploratory, and Military ...

Herbert Michael Wilson - 1900 - 988 Seiten
...log sine 4.2.3 -}- log sine 1.3.4 rhould equal log sine 1.2.4-)- log sine 2.3.4 -f- log sine 4. 1.3. The number of side equations which can be formed in...is equal to the number of lines in the figure plus three, minus tivice the number of stations, or i -|- 3 — 2«. In a quadrilateral, therefore, 6 +...
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Topographical Surveying: Including Geographic, Exploratory, and Military ...

Herbert Michael Wilson - 1900 - 964 Seiten
...log sine 4.2.3 -|- log sine 1.3 4 chould equal log sine 1.2.4+ '°g sine 2-3-4 + l°g sine 4. 1.3. The number of side equations which can be formed in...is equal to the number of lines in the figure plus three, minus twice the number of stations, or I -j- 3 — 2w. In a quadrilateral, therefore, 6 -f-...
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Topographical Surveying: Including Geographic, Exploratory, and Military ...

Herbert Michael Wilson - 1900 - 986 Seiten
...+ log sine 4.2.3 -\- log sine 1.3 4 fhould equal log sine 1.2.4-)- log sine 2*3-4+ log sine 4.1.3. The number of side equations which can be formed in any figure is equal to the number of lines in t/ie figure plus three, minus tivice the number of stations, or 1 + 3 — 2«. In a quadrilateral,...
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Bulletin, Ausgaben 303-308

1907 - 874 Seiten
....023 +.023 d - . .v;-j -.5«2 I -.562 -.562 / + .023 + .023 I -.315 + .023 + .023 -.492 + ..W2 + .585 the present case, log sin 0, 1, 2 + log sin 0, 2, 3 + log sin 1, 3, 0 should equal log sin 1,2,0 + log sin 2,3,0 + log sin 0, 1,3. The number of side equations which can be formed in any figure...
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Bulletin of the United States Geological Survey

Geological Survey (U.S.) - 1906 - 126 Seiten
...In 1 H -K515 + .023 + .023 -.562 -.562 -.562 -.562 + .023 + .023 +.023 -.492 +.562 | +.023 j + .585 the present case, log sin 0, 1, '2 + log sin 0, 2,...sin 0, 1 , 3. The number of side equations which can he formed in any figure is equal to the number of lines in the figure, plus 3, minus twice the number...
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Manual of Topographic Methods

Henry Gannett - 1906 - 122 Seiten
...-.023 -^.023 + .023 +.515 +.515 J-.5K2 ~.023 +.023 -.562 ' -.562 + .023 -.«2 + .585 FIOURK ADJUSTMENT. the present case, log sin 0, 1, 2 + log sin 0, 2,...3, 0 should equal log sin 1, 2, 0 + log sin 2, 3, 0 + logsinO, 1, 3. The number of side equations which can be formed in any figure is equal to the number...
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The Areas of the United States, the States, and the ..., Ausgaben 302-307

Henry Gannett - 1906 - 644 Seiten
...angles. 9 + .515 + .515 + .023 + .023 5H2 -.562 .562 -.562 + .023 + .023 + .023 -.492 .562 + .023 + .5S5 the present case, log sin 0, 1, 2 + log sin 0, 2, 3 + log sin 1, 3, 0 should equal log sin 1, 2, 04- log sin 2, 3, 0 + logsinO, 1, 3. The number of side equations which can be formed in any figure...
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Manual of Topographic Methods

Henry Gannett - 1906 - 120 Seiten
....515 + .515 + .023 + .023 -.562 -.562 + .023 + .023 + .023 -.492 .023 + .585 FIGURE ADJUSTMENT. 61 the present case, log sin 0, 1, 2 + log sin 0, 2, 3 +log sin 1, 3, 0 should equal log sin 1,2,0 + log sin 2,3,0 + log sin 0, 1,3. The number of side equations which can be formed in any figure...
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