We assume that the body receives arbitrary twists about twc given screws, and it is required to determine the character of the resultant displacement.
The twists and turns led her sometimes towards it, sometimes back the way she came.
China also takes 40 8 mule, water twists and twofolds.
Of the Machachi basin, near Quito, which he calls a " zoologist's paradise," Mr Whymper writes (Travels amongst the Great Andes of the Equator): " Butterflies above, below and around; now here, now there, by many turns and twists displaying the brilliant tessellation of their under-sides...
Which twists and untwists during x or screw.
It is true that many tame goats show spirally twisted horns recalling those of the under-mentioned Asiatic markhor; but in nearly all such instances it will be found that the spiral twists in the opposite direction.
The latter runs with no twists or coils straight to the anus, which is situated at the junction of the trunk with the tail.
This figure shows how the wing twists and untwists when in action, and how it forms a true screw.
These figures illustrate the various angles made by the wing with the horizon as it hastens to and fro, and show how the wing reverses and reciprocates, and how it twists upon itself in opposite directions, and describes a figure-of-8 track in space.
The third section of 113 m., from Paks to the mouth of the Drave, differed from the others and made innumerable twists and curves.
The various Indian markets take largely of 40 8 mule twist and in various proportions of 30 8 mule, water twists, two-folds grey and bleached, fine Egyptian counts and dyed yarns.
Long strings of camels may still be seen from the train windows patiently treading their slow way over the Khojak pass to Kila Abdullah, whilst the train alongside them rapidly twists through the mountain tunnel into the Peshin valley.
The pungency of the nasturtium officinale, the water-cress, gave it its name nasi-tortium, that which twists the nose.
These show the screw-like configuration of the wing, and also how the wing twists and untwists during its action.
The head-streams of the Kei, often called the Great Kei, rise in the Stormberg, and the river, which resembles the Great Fish in its many twists, flows in a general south-east direction through mountainous country until it reaches the coast plain.
It, moreover, twists and untwists during its action and describes figure-of-8 and waved tracks in space, precisely as the natural wing does.
She makes many mistakes, of course, twists words and phrases, puts the cart before the horse, and gets herself into hopeless tangles of nouns and verbs; but so does the hearing child.
Those who only know the Snipe as it shows itself in the shooting-season, when without warning it rises from the boggy ground uttering a sharp note that sounds like scape, scape, and, after a few rapid twists, darts away, if it be not brought down by the gun, to disappear in the distance after a desultory flight, have no conception of the bird's behaviour at breeding-time.
After impregnation, the male twists them round his legs and returns to his usual retreat, going about at night in order to feed himself and to keep up the moisture of the eggs, even resorting to a short immersion in the water during exceptionally dry nights.
Now nickel contracts instead of lengthening when it is magnetized, and an experiment by Knott showed, as he expected, that caeteris paribus a nickel wire twists in a sense opposite to that in which iron twists.