Tubes are in and doing fine, update:
All the rims were in good shape, when looking at the failure of the old tubes they had long rips on the inside edge near the rim. The last person used no flaps. I cannot tell if rubbing or pinched tubes caused the failure. So, lots of talc, and I found the flaps fit easily in the narrow tires. The whole job was a lot easier than I thought it would be to replace the tubes. When I see old photos of people doing this on the side of the road it seemed common practice in the teens. it would not keep me from owning an early T. Karl