Cyclopædia of useful arts & manufactures, ed. by C. Tomlinson. 9 divs, المجلد 91852 |
من داخل الكتاب
النتائج 1-5 من 31
الصفحة 929
... force which set this great body of air in motion was a ventilating shaft v , 12 feet in diameter at the base , 8 feet at the summit , and rising 110 feet above the ground , in which a powerful upward current was generated by means of a ...
... force which set this great body of air in motion was a ventilating shaft v , 12 feet in diameter at the base , 8 feet at the summit , and rising 110 feet above the ground , in which a powerful upward current was generated by means of a ...
الصفحة 930
... force . Over this was placed a funnel of wrought - iron i , for carry- ing the foul air into a wooden shaft ww , which ascended from the ceiling to the roof , and was surmounted by a cowl c . The hot air at the level of the ceiling ...
... force . Over this was placed a funnel of wrought - iron i , for carry- ing the foul air into a wooden shaft ww , which ascended from the ceiling to the roof , and was surmounted by a cowl c . The hot air at the level of the ceiling ...
الصفحة 931
... force to the circumference , where it purposes . It consists of two cast - iron end plates , I I , was condensed , whirled round , and forced out , in a with a central opening , o o , from the circumference of powerful current , through ...
... force to the circumference , where it purposes . It consists of two cast - iron end plates , I I , was condensed , whirled round , and forced out , in a with a central opening , o o , from the circumference of powerful current , through ...
الصفحة 932
... force of the revolving wings , the air is condensed towards their extremities , and makes its escape from the pressure through the orifice , A , while it is continually drawn in at the sides by its tendency to restore the equilibrium ...
... force of the revolving wings , the air is condensed towards their extremities , and makes its escape from the pressure through the orifice , A , while it is continually drawn in at the sides by its tendency to restore the equilibrium ...
الصفحة 938
... force on the scape - wheel may be obtained , ( for the variation of the force of the spring from tem- perature is far too small to affect a clock with a dead escapement , ) the pendulum still remains subject to the variations of ...
... force on the scape - wheel may be obtained , ( for the variation of the force of the spring from tem- perature is far too small to affect a clock with a dead escapement , ) the pendulum still remains subject to the variations of ...
عبارات ومصطلحات مألوفة
acetic acid acid alcohol apparatus arranged axis bobbins boiling bottle called carbonic carbonic acid cards carpet carriages cask centre cloth colour comb consists containing cotton cylinder durable employed England fabrics feet fermentation fibres flour frame French gallons gluten grapes healds heat hole horizontal inches iron Jacquard Jacquard loom kind lace length lever lignin London loom loops machine manufacture means Médoc merinos meshes metal mill needles obtained ornamental Oxfordshire oxide pair passed pattern piece pipe pitch placed plain weaving plate portion present produced purpose quantity revolving rollers round sheep shuttle side silk slubbing specific gravity spermaceti stones substance sugar sulphuric acid supply surface teeth timber tion trade treadles tree twisted upper warp warp threads weaver weaving weft weight wheat wheel wine wire woad wood wool woollen worsted woven yards yarn zinc
مقاطع مشهورة
الصفحة 1009 - And they did beat the gold into thin plates, and cut it into wires, to work it in the blue, and in the purple, and in the scarlet, and in the fine linen, with cunning work.
الصفحة 952 - Them hath he filled with wisdom of heart to work all manner of work of the engraver. And of the cunning workman and of the embroiderer, in blue and in purple, in scarlet and in fine linen and of the weaver, even of them that do any work and of those that devise cunning work.
الصفحة 969 - From the first appearance of this ground may be dated the origin of the modern pillow lace trade ; but it was not until the beginning of the present century that the...
الصفحة 961 - April, 1785. This being done, I then condescended to see how other people wove ; and you will guess my astonishment when I compared their easy modes of operation with mine. Availing myself, however, of what I then saw, I made a loom in its general principles nearly as they are now made. But it was not till the year 1787, that I completed my invention, when I took out my last weaving patent, August the 1st of that year."/ Dr.
الصفحة 936 - In order to get an abundant supply of visible smoke of a moderate temperature, a fumigator charged with cut brown paper was used. By this means a dense volume of smoke was obtained in a few seconds ; and it conducted itself as in the last-mentioned experiment. On discharging smoke into the inflowing air-current, it was diffused so rapidly that its course could not be traced, but in a short time no smoke was observable in the room. Another experiment was made with a small balloon, charged with carburetted...
الصفحة 983 - ... become common in all the more civilized parts of Europe, but no one has paid much attention to the point as regards cereal crops. Yet it is to be supposed, that if you can double the size of a turnip, or if you can double the size of a rose, or produce a hardy race of any kind from one that is...
الصفحة 8 - The book presents us with a body of facts relating to the sister kingdom, which, being the result of personal observation and investigation, ought at this moment to command the attentive consideration of all who are interested In its welfare and prosperity. The work, too, abounds with illustrations, which are beautifully executed."— Times.
الصفحة 973 - In the year 1589 the ingenious William Lee, Master of Arts, of St. John's College, Cambridge, devised this profitable art for stockings (but being despised went to France) ; yet of iron to himself, but to us and others of gold, in memory of whom this is here painted.
الصفحة 983 - GaBrtner, a German writer who has collected all the information it was possible to procure relating to the production of hybrids in the vegetable kingdom, the author declares that, as to experiments on cereal plants, they can hardly be said to have had any existence. The exhibition has, nevertheless, shown us that they have been made, and some examples will tell with what result. I have no very good means here of explaining such...
الصفحة 960 - ... the object had been to substitute for the heavy cards, a sheet of prepared paper punched with given apertures, like the cards of the old machines, but instead of being a series of pieces...