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Classic watches, watchmaking, antique tools, history, vintage ephemera and more!

Learn about mechanical timepieces and how they work, the history of the American watch industry and especially all about the Elgin National Watch Company! Check back for new content daily.

Although this is technically a blog, the content is not generally in a time-based sequence. You can find interesting items throughout. Down the page some is an alphabetical word cloud of keywords used here. A great way to dig in is to look through those topics and click anything you find interesting. You'll see all the relevant content.

Here are a few of my favorites!

There are some large images on some posts, so that might impact your load times, bit I think you will find it worth the wait. Thanks for visiting!

New Grooved Balance Staff

From American Horologist magazine, December 1938

New Grooved Balance Staff

Here you see Elgin's new grooved balance staff, incorporated in the new 15/0 Elgins. Note the groove in the staking shoulder just below the riveting rim. This groove eliminates the possibility of damage and distortion to the balance staff hole when staff is replaced.

The staff may be driven out with a staking tool without damage to the balance. No lathe work is required. 


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