400 Day Anniversary Book
This 400 day Repair Guide is a hardcover book and is the 10th edition. A must have book when repairing any anniversary clock. It is truly the Anniversary clock master book for tips and instructions.
Extremely helpful in determining the correct suspension spring if yours is lost or broken. This hardcover book is 9x10 with 237 pages. Topics in the book include 400 day clock Identification, Repair tips, and Troubleshooting. It also includes an extensive collection of back plate and suspension illustrations.