Book Details + Condition: A fourth revised edition of "The 90-degree Dial in Practice", 1972. By Reinhold Ebertin. Softcover. 208 pages. Illustrated with charts and photographs. Chapters include: The 90-degree Dial; The Chart Form; Prediction is Wrong; Solar Arc Directions; The Contact Cosmogram; A Case of Illness; Children Treated Psychically; Vocational Fate and Success; and much more. Firm binding; light wear to covers, with some discoloration; interior is clean and free of markings, save owner name on half-title page.
