@article{529848, note = {Edited by John Collett Ryland.}, author = {Fellow of the Royal Society.}, url = {http://library.usi.edu/record/529848}, title = {An easy and pleasant introduction to Sir Isaac Newton's philosophy containing the first principles of mechanics, trigonometry, Optics, and Astronomy. By a fellow of the Royal Society. With an essay on the advancement of learning, In various Modes of Recreation. By John Ryland, A. M. of Northampton. The second edition. To this New Edition an appendix is added, to render the book more useful to schools. [electronic resource] :}, publisher = {printed for Edward and Charles Dilly, in the Poultry,}, recid = {529848}, pages = {iv,lii,161,[1];20p.,XIIplates ;}, address = {London :}, year = {1772}, }