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and was fortunate/unfortunate enough to watch it as it happened. I have never seen this is a watch before but when I was in my first watchmaking school we used to also service clocks. I had this happen on 2-3 mainsprings that has mild surface rust. These were treated with a mild acid treatment to re

Gears need to have "play" or freedom (as already stated) between the teeth to compensate for manufacturing tolerances and keep from binding. Setting the time forward is the simplest and the most accurate way to set hands on a watch. To compensate for the exact amount of freedom in any give watch mov

Don, Hopefully the following picture will be helpful. The pallet fork and escape wheel are rather traditionally placed. The balance is mounted in an angled bridge. The pallet lever has long lever (compared to modern dimensions) and due to the platform style of the tourbillon carriage it is curved to

When The Time Museum closed most of Seth Atwood's collection, including this watch, went up for auction. However for those interested in more information on this great collection and former museum, they did publish 3 books about the collection. One was on American pocket watches and lists this watch

I love seeing other watchmaker's shops and the birth of their creations. Thank you again for posting this.

Thank you so much for sharing these. A nice little family indeed!

Andrew H. Potter Tourbillon Pocket Watch with Inclined Balance Wheel (circa 1857) It is believed Andrew Potter used a Howard ebauche noted by it's distinctive patented barrel design with maintaining power invented by another famous American watchmaker - George P. Reed. This watch was formerly housed

RGM should be applauded for their work producing such a wonderful project. The tourbillon and 801 appear to be using largely 6497 components but i believe I had read Roland was planning to cut his own gears later. Not that this matters for performance of the piece, I rather like the 6497 but I also