L-318a THE EDISON CYLINDER PHONOGRAPHS, 1877-1929 by George L. Frow and Albert F. Sefl. FIRST EDITION 1978. 207 pages. This is the most useful reference book for the Edison cylinder phonographs, giving information on reproducers as well. The book is in near mint condition; the dust cover is a bit frayed at the edges. This book is very hard to find, especially in this condition.