""Dialogues, Illustrative Of The First Principles Of Mechanics And Astronomy"" is a book written by J. Joyce and first published in 1819. It is a collection of dialogues that explain the basic principles of mechanics and astronomy in a conversational style. The book is designed to be accessible to readers with little or no prior knowledge of these subjects. The dialogues cover a range of topics, including the laws of motion, gravity, the solar system,...