Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers, Metallurgists, Mine Proprietors, Engineers, Shipbuilders, Scientists, Capitalists ..., Том 43Perry Fairfax Nursey Knight and Lacey, 1845 |
З цієї книги
Результати 1-5 із 100
Сторінка 6
... greater or less than ninety degrees , the cosines of angles between 90 ° and 180 ° being negative . The same formula , it is manifest , will apply to the determination of the distance between the sun and moon , or between the moon and a ...
... greater or less than ninety degrees , the cosines of angles between 90 ° and 180 ° being negative . The same formula , it is manifest , will apply to the determination of the distance between the sun and moon , or between the moon and a ...
Сторінка 7
... greater than a right angle , it agrees with the second case . Hence it is- log . cos . 8.984840 log . cos . 9.714352 ... log . sin . 9'932151 log . cos . 9.818363 log . sin . 9.876700 ... therefore , we have b = 71 ° 39′30 ′′ = 4299'5 ...
... greater than a right angle , it agrees with the second case . Hence it is- log . cos . 8.984840 log . cos . 9.714352 ... log . sin . 9'932151 log . cos . 9.818363 log . sin . 9.876700 ... therefore , we have b = 71 ° 39′30 ′′ = 4299'5 ...
Сторінка 11
... greater than had been stated by the Bishop of Norwich . If his memory did not deceive him - while in Lon- don the annual depth was only 23 inches , in Keswick it was no less than 60.-Mr. ROBERTS observed , that the discrepancies in the ...
... greater than had been stated by the Bishop of Norwich . If his memory did not deceive him - while in Lon- don the annual depth was only 23 inches , in Keswick it was no less than 60.-Mr. ROBERTS observed , that the discrepancies in the ...
Сторінка 20
... greater than 2 , the number or quantity repre- senting the solidity is greater than that which expresses or represents the su- perficies . If the annulus AB C , fig . 18 , be made to revolve about the straight line E F , in the same ...
... greater than 2 , the number or quantity repre- senting the solidity is greater than that which expresses or represents the su- perficies . If the annulus AB C , fig . 18 , be made to revolve about the straight line E F , in the same ...
Сторінка 21
... greater diameter of the revolving annulus , subtract its width or the thickness of metal which it contains ; multiply the difference by the said thickness of metal , and again , by the inner diameter of the ring added to the greater ...
... greater diameter of the revolving annulus , subtract its width or the thickness of metal which it contains ; multiply the difference by the said thickness of metal , and again , by the inner diameter of the ring added to the greater ...
Інші видання - Показати все
Загальні терміни та фрази
acid angle apparatus application atmospheric railways boilers bottom Braidwood Captain carriage cause centre circle claim Claviole coal condenser construction copper cylinder described diameter distance effect employed engine equal expense experiments fire frustrum fuel furnace Galignani given heat hour improvements inches increased invention iron July knots length less light Liverpool locomotive London LONDON FIRE BRIGADE machine machinery Magazine manufacture means Mechanics ment Messrs metal meter method miles miles per hour minute mode motion obtained organzine paddles paper pass patent pipe piston plane plates Portsmouth present pressure principle produced pump purpose quantity rail render roller sails Samuel Bentham SCREW PROPELLING shaft ship side six months solution speed square steam steamers stocking frame stroke sulphuric acid surface tion Tofield tons train Trinity House tube tunnel vacuum vessels valve velocity wheel wind
Популярні уривки
Сторінка 345 - The Baconian constructs a diving-bell, goes down in it, and returns with the most precious effects from the wreck. It would be easy to multiply illustrations of the difference between the philosophy of thorns and the philosophy of fruit, the philosophy of words and the philosophy of works.
Сторінка 386 - And, as occasion served, would quote, No matter whether right or wrong; They might be either said or sung. His notions fitted things so well, That which was which he could not tell, But oftentimes mistook the one For th" other, as great clerks have done.
Сторінка 345 - What then was the end which Bacon proposed to himself? It was, to use his own emphatic expression, " fruit." It was the multiplying of human enjoyments and the mitigating of human sufferings. It was
Сторінка 342 - Then after divers meetings and consults of our whole number, to consider of the former labours and collections, we have three that take care, out of them, to direct new experiments, of a higher light, more penetrating into nature than the former. These we call lamps..
Сторінка 342 - We have also engine-houses, where are prepared engines and instruments for all sorts of motions. There we imitate and practise to make swifter motions than any you have, either out of your muskets or any engine that you have...
Сторінка 315 - I claim therein as my invention, and desire to secure by letters patent, is dividing the interior of the furnace stack into two or more compartments, by partitions, which descend nearly to the bosh of the furnace — the bosh being the same as that of the common blast furnace, except the elevated hearth ; the whole being constructed , arranged, and combined, in the manner and for the purpose herein set forth.
Сторінка 342 - We have three that try new experiments. Such as themselves think good. These we call pioneers or miners. We have three that draw the experiments of the former four into titles and tables, to give the better light for the drawing of observations and axioms out of them. These we call compilers.
Сторінка 157 - MANUAL OF ASTRONOMY : a Popular Treatise on Descriptive, Physical, and Practical Astronomy ; with a familiar Explanation of Astronomical Instruments, and the best methods of using them.
Сторінка 312 - ... and thus separating the same therefrom. And it is the combining carbonate of soda or carbonate of potash, or both with carbonate of lime, and also the combining carbonate of potash and soda with phosphate of lime, in such manner as to diminish the solubility of the alkaline salts to be used as ingredients for manure (suitable for restoring to...
Сторінка 270 - ... if the day would never finish. What, therefore, at first promised to be so gratifying, soon threatened to become extremely irksome, and would, indeed, have been a serious inconvenience, had we not followed the example of the feathery tribe, which we daily observed winging their way to roost, with a clock-work regularity, and retired to our cabin at the proper hour, where, shutting out the rays of the sun, we obtained that repose which the exercise of our duties required.