Jeremy:
 
Thank you for the information concerning pipe stem dating.  I look =
forward to reading your report in British Archaeological Reports, =
Supplementary Series 36 journal.
 
Best regards.
 
John Cornelison
 
----------
From:   Jeremy Green[SMTP:[log in to unmask]]
Sent:   Friday, November 15, 1996 12:13 AM
To:     Multiple recipients of list HISTARCH
Subject:        Re: wire gauge for pipe stem measurements
 
John Cornelison
 
Wrote
>
>Several years ago (I think 3) someone did a paper at the Southeast
>Archeological Conference (SEAC) meetings on using a wire gauge to =
collect
>pipe stem measurements.  He stated that this removed much of the error
>that is seen when this dating technique is used.  Unfortunately, I did =
not
>get a copy of the paper.  Does anyone know who gave this paper or have =
any
>references that might explain this technique.
 
 
Just a note which may be of interest, some years ago I did a study of a =
box
of 250 clay pipes found on the wreck of the VOC ship Vergulde Draeck
(1656). Examination of the collection, which was entirely from one =
maker,
and possibly a consignment, showed that measuring the bore diameters =
with a
travelling microscope gave two different diameters. What was more
interesting was using a standard set of drill diameters, not only did
drills/wire damage the hole but the increments were unable to verify the
two diameters. Also, most holes were eliptical not circular. None of the
dates from the formulae gave the correct date. Anyone interested I can
provide more details.
This was all published in
Green, J.N., (1977),
The A.V.O.C. Jacht Vergulde Draeck wrecked Western Australia 1656.
British Archaeological Reports, Supplementary Series 36, Oxford.
 
Jeremy Green
Dept. Maritime Archaeology           __?__
Western Australian Maritime Museum  /     \      -------
Cliff Street                       |       |    |  Huh?  |
FREMANTLE                          ^^ (o)(o)    /-------
WA 6160                           (.   ,---    /
W. Australia                        | |,___|  /
(61-9) 4318440                      |  \__/
(61-9) 3357224 (F)                  /_  __\
(61-9) 3358071 (H)                 /__\/_/ \