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Updated: May 15, 2025
When twisted as much as possible without getting corkscrew-like knots in the thread, the cord must be doubled in half by holding it at the centre and bringing together the two ends, which are then knotted. During the entire process the thread must be kept under tension. If one end of the cord is now let go it should immediately twist itself up tight, and remain in that position.
Under the microscope it is practically always possible to distinguish human hair from animal. I shall not go into the distinctions, but I may add that it is also possible to determine very quickly the difference between all hair, human or animal, and cotton with its corkscrew-like twists, linen with its jointed structure, and silk, which is long, smooth, and cylindrical."
Some of the Lithuanian bison have lately been dying in an unaccountable way, and on investigating a dead individual a Russian observer has discovered a "trypanosome" parasite in the blood. The trypanosomes are microscopic corkscrew-like creatures, of which many kinds have become known within the last ten or fifteen years.
I shall not go into the distinctions, but I may add that it is also possible to determine very quickly the difference between all hair, human or animal, and cotton with its corkscrew-like twists, linen with its jointed structure, and silk, which is long, smooth, and cylindrical." Again Kennedy paused as if to emphasise this preface. "I have here," he continued, "a sample of hair."
When corkscrew-like knots begin to come in the threads, stop revolving the wheel, unhook the two outer threads and place them both on the central hooks together with the third thread, keeping them taut during the process. Revolve the large wheel again, in the direction opposite to that in which it has been working, and continue turning until the cord is tightly twisted up.
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