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A short system of optics, principally designed for the use of undergraduates in the University of Dublin. By the Rev. John Stack, A.M. late F. of T.C.D
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A short system of ortfos
principally designed for the use of undergraduates in the University of Dublin. By the Rev. John Stack, A.M. Late Foot T. Old -
A treatise on the horizontal sun and moon, wherein is shewn, according to the principles of refraction, how it happens, that those bodies seem bigger in the horizon than in the zenith; And also how Mankind do not form their Judgment concerning the Magnitude of Objects by the Angles, which they Subtend at the Eye, either when they are seen in Refracted or Unrefracted Light; And Likewise how the Superior Planets May a Retrograde motion in opposition, Altho' the Sun Moves in an Orbit Round the Earth; Together with certain Astronomical Difficulties. By the Rev. James Atkins, Rector of St. Michael's in Long-Stanton in Cambridgeshire, and Formerly Fellow of St. Mary Magdalene College in Cambridge