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After many experiments and the production of a number of types of machines, the present recorders and reproducers were evolved, the former consisting of a very small cylindrical gouging tool having a diameter of about forty thousandths of an inch, and the latter a ball or button-shaped stylus with a diameter of about thirty-five thousandths of an inch.
They act in nearly the same manner as would a man, who had to close a cylindrical tube with different kinds of leaves, petioles, triangles of paper, &c., for they commonly seize such objects by their pointed ends. But with thin objects a certain number are drawn in by their broader ends.
At the end of thirty minutes, when the cylinder had made 960 revolutions about its axis, the horses being stopped, a cylindrical mercury thermometer, whose bulb was 32/100 of an inch in diameter and 3 1/4 inches in length, was introduced into the hole made to receive it in the side of the cylinder, when the mercury rose almost instantly to one hundred and thirty degrees.
Both these rules give the strain about one fourth of the elastic force, or 4,450 lbs. per square inch of sectional area of the iron; but 3,000 lbs. is enough when the flame impinges directly on the iron, as in some of the ordinary cylindrical boilers, and the rule may be adapted for that strain by taking 6,000 as a divisor instead of 8,900.
If he could work these things all in together Cogitating absorbedly, he glanced up to see Ben Sansome sauntering down the street, his malacca cane at the proper angle, his cylindrical hat resting lightly on his sleek locks, his whole person spick with the indescribably complete appointment of the dandy.
The best is known as Kayan gutta, because it is gathered and sent to the bazaars by the Kayans in a pure form. The trees are felled and the stem and branches are ringed at intervals of about eighteen inches, a narrow strip of bark being removed at each ring. The milky viscid sap drips out into leaf-cups, which are then emptied into a cylindrical vessel of bark.
Her head she held very upright, and it was difficult to imagine how her slender throat could support it, loaded as it was with strings of pearls and precious stones which were braided in the tall structure of her reddish-gold hair, that was arranged in long cylindrical curls pinned closely side by side.
He had painted gourds filled with pebbles that rattled when they were shaken; the long clarin of the Mexicans, into which the performer does not blow, but through which he inhales the air; the harsh ture of the Amazon tribes, that is sounded by the sentinels who sit all day long in high trees, and can be heard, it is said, at a distance of three leagues; the teponaztli, that has two vibrating tongues of wood, and is beaten with sticks that are smeared with an elastic gum obtained from the milky juice of plants; the yotl-bells of the Aztecs, that are hung in clusters like grapes; and a huge cylindrical drum, covered with the skins of great serpents, like the one that Bernal Diaz saw when he went with Cortes into the Mexican temple, and of whose doleful sound he has left us so vivid a description.
The larva therefore changes its manner of boring utterly: yesterday, the gallery, suited to a wandering life in the thickness of the wood, was a wide burrow with a very low ceiling, almost a slot; to-day the passage is cylindrical: a gimlet could not bore it more accurately.
Connected with the rocking plate R, and on opposite sides of its centre, the same as the exhaust valve connections, there are two levers, vibrating on a centre c, of which one only is shown, as it covers the other; to the upper ends of these levers pawls are attached, one end of which rests on the stems or rods connected with the handles s, s', of the steam valves; on these stems there are notches against which the pawls strike, and as the levers vibrate inward they push back the stems and thereby open the valves, and this continues for the whole length of the inward motion of the levers, or till the outer extremities of the pawls come in contact with the end of the short lever l, which, pushing down the outer end of the pawls, relieves the stems at the other ends, and the valve stem returns to its place through the force of springs attached to the outer extremities of the valve stems a, are cylindrical guides to the valve stems, at the inner extremities of which are air cushions.
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