L-180 Thomas Edison - The Diary and Observations, Edited by Dagobert D. Runes, 1948/1976. 147 pages. "...His notes and diaries are fragmentary but they provide a fascinating look into the workings of an original mind in its endless quest for nature's secrets..." Softback. [Originally sold for $6.95] Near mint condition. ......FOR ALL SHIPPING outside USA: Email john@phonographs.org before ordering for shipping cost.