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The Horolovar 400-day clock repair guide

227 pages

A meticulous, workshop-bound journey into the heart of mechanical timekeeping, rewarding patience with the quiet thrill of restoration.

What it feels like

Reading this definitive manual feels like stepping into a quiet, sunlit workshop filled with brass gears and the faint smell of machine oil. It is a deeply focused, methodical experience that demands patience and rewards precision. The prose is uncompromisingly technical yet carries a quiet reverence for the craftsmanship of anniversary clocks, guiding the reader through daunting mechanical complexities with authoritative clarity. There is no rush here; the pace is as steady as the timepieces it seeks to preserve. It is less a book to be read cover-to-cover than a trusted companion for the workbench. Tinkerers, horologists, and anyone who finds a meditative peace in the meticulous restoration of intricate machinery will find this an indispensable, deeply satisfying guide.

Mood
  • focused
  • methodical
  • quiet
  • workshop-like
Tone
  • authoritative
  • precise
  • instructional
  • reverent
Pace
steady
Themes
mechanical restoration · preservation of history · precision and patience · the mechanics of time
The writing
Clear, highly technical, and uncompromisingly detailed, prioritizing mechanical accuracy and practical instruction over literary flourish.
The arc
Moves from the daunting complexity of intricate mechanisms to the deep, quiet satisfaction of successful restoration.
Who it's for
Horologists, tinkerers, and antique clock enthusiasts who find peace in the meticulous restoration of complex mechanisms.

About the book

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

Description from Open Library.

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