Mathematical elements of natural philosophy, confirm'd by experiments : or, An introduction to Sir Isaac Newton's philosophy (1747)
Gravesande, Willem Jacob 's, 1688-1742, Desaguliers, J. T. (John Theophilus), 1683-1744, tr, Adams, John, 1735-1826, former owner. BRL, John Adams Library (Boston Public Library) BRL · London : Printed for W. Innys, T. Longman and T. Shewell, C. Hitch ..., and M. Senex ... · leaf 382
hings relate to red Rays; as to the violet ones, I is to R, as109 to 81. If the Computation be made with thefe Numbers, BNis37°. 8. BDT 135°. 37. NT, 98°. 297- B/ 44°. 22 \. whence we * 3SQ4. deduce the Angle fought API 54°. 7. as has been alfo faid above*. C H A P. XXV. Of the Colours of thin…
Physics · Natural Sciences
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