Scientific American Supplement, No. 561, October 2, 1886Various
Science
Scientific American Supplement, No. 561, October 2, 1886
Various
Science -- Periodicals
To cast off a thread the proper way is to stand at a distance of about
three feet from the hook previously mentioned, and by holding the end
of the hemp in the left hand, pass it over the hook and bring it down
with the right, then holding with the left and breaking as above. When
sufficient strands to form the thread have been broken off, carefully
examine the points to see that they taper properly, and have no lumps
in them. Rub the wax up and down a few times, so that the thread may
be properly waxed on that portion which will be inside when twisted.
Hold the two ends in the left hand, and with the right roll each end
separately down the right leg a sufficient number of times to twist
the thread throughout. Judgment will be required in this operation, or
the thread will be a constant source of trouble if it is over-twisted.
Wax it again, and then it is ready for use. See that the points are
well waxed, then take a needle and pass the point of the thread
through the eye until it nearly reaches that part which would stop its
progress.
It must now be turned down on to the thicker portion and carefully
twisted. Smooth it down, then take the other end of thread and another
needle, and fasten it on in the same way. In selecting the awl to be
used, do not take a very large one. The hole should be just large
enough for the thread to require a slight pull to get it through.
To commence sewing take one side and a gusset and place them evenly
together, the right side of the material being inside, and fix them in
the clams. Slip the welt as previously described between the edges,
and pass the awl through the lot. Drive it perfectly straight, as upon
this chiefly depends a nice seam when turned. Draw out the awl, and by
following the point, pass up the bottom needle with the left hand.
This should be taken by the thumb and forefinger of the right hand and
the thread pulled through half its length, so forming a thread of
equal length on each side. Make another hole with the awl about
one-third of an inch from the first. This gives the length of stitch.
Pass up the bottom needle as before into the right hand, the top
needle descending to the bottom immediately after. Take hold of this
with the left hand and pull through the threads simultaneously top and
bottom, until the extremity on each side lies on and forms the stitch.
Be careful that in pulling in the latter part each thread closes at
the same time, thereby preventing a crooked seam. Repeat until the
seam is finished, then take the other gusset and place in position.
Sew this, then take the other side of bag and sew to the gussets. You
will then have something in the shape of a bag, minus the bottom. Take
this next, and fix each corner to one of the seams previously made,
and stitch it carefully round, placing a welt in as before. At the end
of each seam a stitch or two back should be taken or the thread tied
over to prevent it opening.
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