📓 The Eruptive Rocks of Brent Tor and its Neigbourhood - Included in sheet 25 of the one-inch map of the Geological survey, with some introductory remarks on the application of the microscope to petrological research is an unchanged, high-quality reprint of the original edition of 1878.Hansebooks is editor of the literature on different topic areas such as research and science, travel and expeditions, cooking and nutrition, medicine, and other genres. As a publisher we focus on the preservation of historical literature. Many works of historical writers and scientists are available today as antiques only. Hansebooks newly publishes these books and contributes to the preservation of literature which has become rare and historical knowledge for the future.