RSSCategory: Clock Repair

Mainsprings for American 8 Day Clocks

June 12, 2007 | By | 13 Replies More
Mainsprings for American 8 Day Clocks

Many American antique clocks with open (not in a barrel) mainsprings use a “standard” mainspring of 3/4″ wide and approximately 18 thousands of an inch thick. There is a lot of variation in these springs between manufacturers, and across clocks made by the same manufacturer. I will comment more on these variations later. In general, […]

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Last updated November 28, 2009