Smith, Hamilton Lanphere, 1819-1903. [from old catalog] · Cleveland, M. C. Younglove and company · leaf 45
this would be to save our little globe fromturning on its axis at the rate of 1000 miles an hour, or about 17miles in one minute.—When the distance of any of the heavenlybodies becomes known, its actual diameter in miles can be easilyascertained. It is no more difficult to obtain the diameter of… … its orbit, the earth being supposed to be at A. The distance A Bor A C, is 240,000 miles, and the angle BAG, which is observedwith a graduated circle, is about 30 minutes, or half a degree.Proceeding as in the case of the Church, twice A C is480,000 miles, and three times this is 1,444,000 miles…
Astronomy · Meteorology · Geology · Paleontology
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![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-314-207.webp)