An Elementary Treatise On Spherical Harmonics: And Subjects Connected With Them is a book written by Ferrers, Norman Macleod and published in 1877. The book provides a comprehensive explanation of spherical harmonics and the various concepts related to them. It covers topics such as Legendre's functions, Laplace's equation, and the theory of potential. The author has used a simple and straightforward approach to explain the concepts, making it easy...