L-383 "A Complete Manual of the Edison Phonograph" (92 page, paperback book) by George Tewksbury. This is a REPRODUCTION of the original book dating from around 1897. Printed by the Windham Press, 2017. Beautifully reprinted with many clear drawings, detailing the operation and construction of the earliest phonographs such as the "Spring Motor". A fine historical reference manual for the collector of Edison cylinder phonographs.