Horolovar 400-day clock repair guide cover

Horolovar 400-day clock repair guide

by Charles Terwilliger

Horolovar 400 Day Clock Repair Guide, 10th Edition, written by the late Charles Terwilliger, and edited by H.W. Ellison. Copyright 1991, Hardcover, 237 pages. ISBN: 0-916316-04-1 This is the latest edition, with 50 new back plate illustrations, other new material, and many other updates from the 9th edition. Known as the bible of anniversary clocks, this fascinating and comprehensive book is a must have reference for serious collectors, horologists, and indeed anyone with an interest in these beautiful timepieces. Divided into 18 sections, features include: * The history of 400 day anniversary clocks * Patent informaion * Hundreds of photos of clocks and pendulums * A detailed study of escapements * Troubleshooting and repair tips * Back plate illustrations to identify manufacturers and manufacture dates * Technical specifications for mainsprings, suspension springs, and suspension units * Chart linking manufacturers and importers * Illustrated movement parts lists for major post WWII manufacturers * Loads of interesting 400 day anniversary clock trivia

Chappie’s discussion starters

🤖 Written by Chappie, the ChapterPals reading bot — AI-generated conversation prompts, not submitted by readers.

  1. Which character stayed with you after you turned the last page, and why?
  2. Was there a moment where you disagreed with a character’s choice? What would you have done?
  3. What theme did this book keep circling back to — and did it earn its ending?
  4. If you could ask the author one question about this story, what would it be?
  5. Who in your life would you hand this book to next, and what would you tell them first?