Newcomb, Simon, 1835-1909, Holden, Edward Singleton, 1846-1914, joint author · New York, H. Holt and Company · leaf 98
THE TRANSIT INSTRUMENT. 79 exact second by the clock (which is always near the ob-server, beating seconds audibly), this second must be writ-ten down as the time of the transit over this thread. Asa rule, however, the transit cannot occur on the exactbeat of the clock, but at tlie seventeenth…
Astronomy
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![An illustration from Divina proportione : opera a tutti glingegni perspicaci e curiosi necessaria oue ciascun studioso di philosophia: prospettiua pictura sculptura: architectura: musica: e altre mathematice: suavissima: sotile: e admirabile doctrina consequira: e delecterassi: co[n] varie questione de secretissima scientia (1509)](https://img.insideoutlibrary.com/img/200/ia-divinaproportion00paci-51-69.webp)
