Internet Horology Club 185
Ball Illinois Balance cock hole jewel

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March 17, 2011, 07:13
Joseph Pierzynski
Ball Illinois Balance cock hole jewel
I need a little help from one of the resident Ball Illinois experts. Can someone tell me what size balance cock hole jewel is correct for a 23j Ball Illinois? And can anyone supply me with one?

thanks in advance
July 29, 2020, 14:10
William Thomas
Kind of late here, may still help someone. Use 16S Waltham jewels.