The technical educator, an encyclopædia, Том 3 |
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Загальні терміни та фрази
acid angle-irons angles arch argand burner arrangement bolt bottom bricks building butts called carbonate carried cent centre cocoons colour composite ships connected considerable consists construction copper course Decorated period described ditto edge eggs employed emulsion engine fastened feet fire fish flesh-formers floor frames gabion GEORGE GLADSTONE glass ground guns head heat inches iron ships keel keelson larvæ lathe latter length light lime Liverpool lock longitudinal machine manufacture material means measured ment metal method moulded necessary obtained operation ordinary ornamental oxygen paper passing pieces placed planking plate portion potash produced purpose quantity render reverberatory furnace screw shown in Fig side slide slide-rest soffit solution spandril specific gravity square stone strakes sufficient surface taken TECHNICAL DRAWING thickness tiles timbers tion transverse tube usually vessel wall weight window wire wood ships worms zinc
Популярні уривки
Сторінка 109 - 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 in the paper; and the important business of making a pin is, in this manner, divided into about eighteen distinct operations, which, in
Сторінка 43 - that one vessel of water being consumed, another begins to force and refill with cold water, and so successively, the fire being tended and kept constant, which the selfsame person may likewise abundantly perform in the interim, between the necessity of turning the said cocks.
Сторінка 43 - THE NAMES AND SCANTLINGS OP 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 199 - in the court of the garden of the king's palace," and after the description of other decorations, it continues, " Upon a pavement of red, and blue, and white, and black marble.
Сторінка 87 - described precisely by the noble inventor, in its results, like the Breakwater at Plymouth. 97. A perspective instrument, answering the description of the camera obscura and camera lucida. 98. The semi-omnipotent engine, so contrived, that working the primum mobile forward or backward, upward or downward, circularly or cornerwise, to and fro, straight, upright or downright, yet the
Сторінка 203 - water not admit its bulk of every 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
Сторінка 43 - work in the whole world ; not only with little charge to drain all sorts of mines, and furnish cities with water, though never so high seated, as well as keep them sweet, running through several streets, and so performing the work of scavengers, as well as furnishing the inhabitants with
Сторінка 109 - the paper; and the important business of making a pin is, in this manner, divided into about eighteen distinct operations, which, in
Сторінка 43 - water company then about to be established :— " A stupendous or a water-commanding engine, boundless for height or quantity, requiring no external nor even additional help or force to be set or continued in motion, but what intrinsically is afforded from its own operation, nor yet the twentieth part thereof. And
Сторінка 78 - the space at our command will allow. 1. Seals, upon any of which a man may keep accounts of receipts and disbursements, from one farthing to one hundred millions, punctually showing each pound, shilling, penny, or farthing. By these seals, likewise, any letter, though written but in English, may be read and understood in eight