Philosophical transactions of the Royal Society of London (1666)
Royal Society (Great Britain), Maty, Paul Henry, 1745-1787. General index to the Philosophical transactions, Stuart, Alexander, 1673-1742. Three lectures on muscular motion, United States. Patent Office. Scientific Library, former owner. DSI · London : Royal Society of London · leaf 507
of the aperture of a tele- fcope fufficient to render the comet equally vifible ffiould be as the product of its diftances from the fun and earth, and the product of the numbers above-mentioned 0,986 and 1,37 is 1,35^ we (hall have the following analogy to find the aperture of a jrefra&ing…
Science
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
![An illustration from A new Miscellany of original poems, translations and imitations, by ... Mr Prior, Mr Pope, Mr Hughes, Mr Harcourt, Lady M[ary] W[ortley] M[ontague], Mrs Manley, etc. Now first published ... with some familiar Letters by the late Earl of Rochester, never before printed. [Edited, with contributions, by A. H., i.e. Anthony Hammond (1720)](https://img.insideoutlibrary.com/img/200/bl-bl_001551954_0-362-1.webp)
