Re: Needles and Thread
Brian,
I looked at the original needles that came with both my antique machines. The needles for my 1868 Wheeler and Wilson are equivalent to a size 65 or 70 Schmetz. Under magnification, the point more closely resembles a Sharps than a Universal. There is no scarf (indentation at the back of the needle around the eye), and the needle is slightly curved. The needles on my hand-crank machine (absolutely no markings, but believed to be pre-war based on design) are equivalent to a size 70 or 80. The point on these needles looks more like the point on a modern Universal needle, but they may just be dull.
I think the point you raised about selecting needle and thread size appropriate for the weight of the fabric is an important issue. I can't speak for machine-sewn military uniforms, but the original civilian clothing is sewn with a much finer thread and much shorter stitch length than any of the threads mentioned in the other responses. Many of the original machine-sewn shirts I've examined were sewn at 15-20 stitches/inch; many of the vests, coats and trousers at 12-15 stitches/inch. The heavier glace threads that were mentioned are much too heavy for the needles on my original machines.
When I've found references in period sewing manuals for silk thread, it is usually in a discussion on tailoring woolen clothing. Silk thread is very strong and will actually cut through most linen and cotton fabrics over a period of time. Modern tailoring and sewing manuals still recommend using silk only on woolen fabrics, and cotton thread for sewing on silk or cotton.
I have copies of some journal articles on the production process for making hand sewing needles; I'll have to check to see if I have an on the production of machine needles.
Carolann Schmitt
cschmitt@genteelarts.com
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