Keywords: Philosophical Transactions Vol LXXVII Tab 1 Page 4.jpg en Fold-out tab from Volume 77 of Philosophical Transactions with six diagrams illustrating the position of comets observed by Caroline Herschel and William Herschel 1787-01-01 https //archive org/details/jstor-106703 Internet Archive copy of JSTOR version of Philosophical Transactions of the Royal Society William Herschel other versions PD-old-70-1923 Wilhelm Herschel Comets Philosophical Transactions - Volume 77 Caroline Herschel Uploaded with UploadWizard |