The technical educator, an encyclopædia, Томи 3 – 4

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Сторінка 109 - One man draws out the wire, another straights it, a third cuts it, a fourth points it, a fifth grinds it at the top for receiving the head; to make the head requires two or three distinct operations; to put it on is a peculiar business; to whiten the pins is another; it is even a trade by itself to put them into the paper; and the important business of making a pin is, in this manner, divided into about eighteen distinct operations, which in some manufactories are all performed by distinct hands,...
Сторінка 227 - David will I lay upon his shoulder ; so he shall open, and none shall shut ; and he shall shut, and none shall open.
Сторінка 43 - A CENTURY OF THE NAMES AND SCANTLINGS OF SUCH INVENTIONS, as at present I can call to mind to have tried and perfected which (my former notes being lost) I have, at the instance of a powerful Friend, endeavoured now in the year 1655 to set these down in such a way as may sufficiently instruct me to put any of them in practice.
Сторінка 43 - So that, having a way to make my vessels so that they are strengthened by the force within them, and the one to fill after the other, I have seen the water run like a constant fountain stream forty feet high. One vessel of water rarefied by fire driveth up forty of cold water, and a man...
Сторінка 43 - ... to keep them sweet, running through several streets, and so performing the work of scavengers, as well as furnishing the inhabitants with sufficient water for their private occasions...
Сторінка 135 - ... even to their impossible roots ; but this is not its object. Its function in contradistinction to that of all other contrivances for calculating, is to embody in machinery the method of differences, which has never before been done ; and the effects which it is capable of producing, and the works which, in the course of a few years, we expect to see it execute, will place it at an infinite distance from all other efforts of mechanical genius.
Сторінка 43 - ... from town to town, and for the bettering of lands all the way it runs ; with many more advantageous, and yet greater effects of profit, admiration, and consequence. So that deservedly I deem this invention to crown my labours, to reward my expenses, and make my thoughts acquiesce in way of further inventions...
Сторінка 87 - ... hindering, much less stopping the other; but unanimously, and with harmony agreeing, they all augment and contribute strength unto the intended work and operation : and therefore I call this a semi-omnipotent engine, and do intend that a model thereof be buried with me.
Сторінка 43 - I have taken a piece of a whole cannon, whereof the end was burst, and filled it three-quarters full of water, stopping and screwing up the broken end, as also the touch-hole, and making a constant fire under it; within twentyfour hours it burst, and made a great crack...
Сторінка 203 - Why does water not admit its bulk of every kind of gas alike? — This question I have duly considered, and though I am not yet able to satisfy myself completely, I am nearly persuaded that the circumstance depends upon the weight and number of the ultimate particles of the several gases : those whose particles are lightest and single being least absorbable, and the others more according as they increase in weight and complexity...

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