Theories Of Energy (1918) : Kessinger Publishing : 9781437349894 : 1437349897 : 10 Dec 2008 : The book ""Theories Of Energy"" was written by Horace Perry in 1918. The book is a comprehensive study of the various theories of energy that were prevalent during the early 20th century. The author begins by discussing the concept of energy and its importance in the physical world. He then goes on to explore the different theories of energy that were proposed by scientists such as James Clerk Maxwell, Hermann von Helmholtz, and William Thomson.The book covers a wide range of topics related to energy, including the laws of thermodynamics, the conservation of energy, and the different forms of energy such as mechanical, electrical, and chemical. The author also discusses the role of energy in various natural phenomena such as heat, light, and sound.Throughout the book, the author provides detailed explanations of the different theories of energy and their implications for our understanding of t