Pipe bore diameter dating


22-Apr-2017 12:10

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Louis Binford later devised a mathematical formula to refine Harrington's dating method and this gives the following table: 9/64 inch bore dates to 1590-1620 8/64 inch bore dates to 1620-1650 7/64 inch bore dates to 1650-1680 6/64 inch bore dates to 1680-1720 5/64 inch bore dates to 1720-1750 4/64 inch bore dates to 1750-1800 This approximate dating technique only definitively applies to pipe stems manufactured in England between about 15 but it might also be a guide for other European pipes.

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Pipe stem dating was first developed by archaeologist J. C. Harrington. Virginia, he discovered that pipe stem bore diameters became smaller over time.… continue reading »


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