By TIN. Chetty. B.A, Ph.D. Professor of Mathematics) in" the! eiverlly 9¢ Melbourne, Selboure ly Press tu. association with Oxford University" Press W/-
Professor Cherry of Melbourne: University has expanded into a 30 page booklet a lecture originally given to mark the 250th anniversary jof the publication of Newton's "Principia." It is definitely a book only for those with a fair knowledge fof physics or astronomy, Students wishing to deal with the 500 page rineipia" will find here a masterly summary of its contents and the clr-
Jeumstances under which it came to be written, -A clear picture of the scientific knowledge of the seventeenth feentury is also given, The author shows how Newton was regarded as having reduced motion and matter to series of absolute. mathematical
Text read from the printed page and cleaned; old type leaves the occasional error.