Comoy39s pipe dating

Posted by / 07-Dec-2019 04:16

This can be very useful for ‘spot dating’ deposits, or providing a basic record where the assemblage does not warrant a specialist report.Assessing the stems is often a useful first step, since they tend to be the most numerous class of pipe fragment recovered.Based on Harrington's table, when does this distribution suggest that Verysignificantsite was mosth eavily occupied?he dating of a pipe fragment relies on assessing a whole range of variables to do with its fabric, manufacturing techniques, bowl form, style, finish, marks and decoration.

Long line name and place stamps orientated along the top of the stem were used in the North West region during the late eighteenth century.By 1800 this diameter had decreased to 4/64 of an inch.This change in diameter may have occurred because pipe stems became longer through time, requiring a smaller bore.Pipes at this period generally had medium length straight stems (never curved) that were quite thick at the bowl junction.As a result, fragments usually show a clear taper along their length and can be quite chunky if the fragment comes from near the bowl.

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  1. Of the major indicators, both industrial production and unemployment signalled peaks in July; manufacturing and trade sales adjusted for inflation and real GNP peaked somewhat earlier; nonfarm employment and real personal income excluding transfer payments peaked later.