Clavius, Christoph
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Geometria practica
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GEOMETR. PRACT.
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<
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ſtigio per duas ſtationes in haſta aliqua erecta dimetiri, vt in problem. </
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<
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eſt, & </
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<
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AB, NG, poſita, & </
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ſta A E, in qua duæ ſtationes oculimenſoris fieri poſsint in D, E, ſi reliqua con-
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ſtruantur, vt in problemate 24. </
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<
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<
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tur recta EB, vtin 1. </
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<
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tur portio haſtæ A E, altitudo montis A B, vel profunditas vallis H C, reliqua
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fiet nota.</
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<
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autem obliquus IC, ita colligetur. </
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ad C, directa abſciſſam eliciatur angulus BDC, ex 1. </
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<
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lus CIM, qui ei æqualis eſt, externus interno; </
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<
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lus I C M, notus, vtpote illius complementum. </
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C I M, anguli acuti cogniti ſint, vna cum latere I M, nuper inuento; </
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ctil.</
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ignorari non poterit.</
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hæc omnia facilius per vnicam ſtationem inueſtigabuntur, ſi in D, pun-
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cto haſtæ quadratum bis applicetur, vt in præcedenti problemate Num. </
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ſcholio problem. </
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ſi terminus C, non cernatur, eligatur aliquod ſignum K, in valle,
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quod ex ſtationibus D, & </
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eius ſcholium, eadem altitudo I M, vel H C, inuenietur.</
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<
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ſi in plano vallis duæ ſtationes commode fieri poſsint, percipietur
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ex illis eadem altitudo I M, per problema 6. </
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<
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ſcenſus verò obliquus IC, tanquam interuallũ inter duo ſigna I, & </
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blema 16. </
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<
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denique profunditatem C H, venarilicebit ex altiore monte
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N G, ſi modo terminus C, minoris montis, vel aliquod ſignum in valle appare-
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at ex cacumine N: </
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