Horolovar 400 Day Clock-Repair Guide: Ninth Edition, Revised and Updated Charles Terwilliger Hardcover book detailing historical context, frequently asked questions, and additional information about Horolovar 400 day clocks. Includes text and black-and-white photographs. Includes revisions and updates from previous editions. 227 pages
0-916316-04-1
The Horolovar Company
1984
The Horolovar Company
Reference