IV. A letter from the Reverend Mr. James Bradley Savilian Professor of Astronomy at Oxford, and F. R. S. to Dr. Edmond Halley Astronom. Reg. &c. giving an account of a new discovered motion of the fix'd stars

Abstract Sir, You Having been pleased to express your Satisfaction with what I had an Opportunity Some time ago, of telling you in Conversation, concerning some Observation, that were making by our late worthy and ingenious Friend, the honourable Samuel Molyneux Esquire and which have since been continued and repeated by my self, in order to determine the Parallax of the fixt Stars;