Doug: I'll take the obvious.
#3, especially center and right, are knurled thumb screws, used for
any number of applications where you want a fairly firm hold but
didn't want to use a tool: electrical connections like for installing
a battery pack; fastening the cover onto a box (some cars used them
to fasten the cover on the fuse box, for example); also used for the
time-set adjustment on a wind-up alarm clock. The center one
screwed onto a threaded post and would restrict the degree to which
it could be tightened. The right one screwed into a threaded hole.
#17 - is a strap tensioner/adustment. Thread a flat, especially
woven, strap through it. Slide the center section one way to release
pressure and allow the strap to travel, to lengthen or
shorten. Slide the center section the other way to apply pressure to
lock in the length. This one would have been used for a strap not
under a whole lot of pressure, like you'd expect from suspenders or a
garter belt, otherwise one element would be toothed. I've seen them
in the not-too-far past on decorative belts on women's clothing and
have worn slacks with one the further past (anyone remember mens
slacks with a "decorative" belt in the center of the back?) Also on
adjustable hat bands. You'll find the modern equivalent on your
knapsack, except they no longer have a slide in the middle, relying
on teeth to hold.
All are very generic, not diagnostic of Chinese/Japanese/other,
male/female, adult/child, cannery, or even first third of the
twentieth century.
Robert
>Date: Wed, 11 Jul 2007 16:33:08 -0700
>From: Doug Ross <[log in to unmask]>
>Subject: 20th c. artifact photos to id
>Sender: HISTORICAL ARCHAEOLOGY <[log in to unmask]>
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>Folks,
>
>I have a small group of artifacts from my recent fieldwork here in BC that I
>am having difficulty identifying. They are from sites associated with
>Chinese cannery workers and Japanese fishermen at a c. 1900-1930 salmon
>cannery, although most objects are likely not of Asian origin. It is likely
>that women and children were present at one of the sites, in addition to the
>largely male population. You may view them at the following link:
>
>http://www.flickr.com/photos/95698270@N00/sets/72157600768005562/detail/
>
>You can view larger images by clicking on each photo, and even larger ones
>by clicking on "All Sizes" above the enlarged version. Brief descriptions
>can be found below each object.
>
>Thanks so much for any help you can provide,
>
>Doug Ross
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