This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions that are true to the original work. Это и многое другое вы найдете в книге A Summary Of Researches In Sound. Conducted In The Service Of The United States Light-House Board, During The Years 1865 To 1877 (Joseph Henry)