https://vintage-hamilton-wristwatches.com/2018/03/technical-data-t-d-103-hamilton-watch-company-semi-friction-balance-jeweling/
Found this, should help.
Jeff, If you want to come to Mount Joy for an Hour or Two we would be glad to show you how to change or re-shellac a roller jewel.
Regards,
Roland
[email protected]
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