Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers, Metallurgists, Mine Proprietors, Engineers, Shipbuilders, Scientists, Capitalists ..., Band 33

Perry Fairfax Nursey
Knight and Lacey, 1840

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Seite 223 - Europe, with regard to trade, before the passage to the East Indies by the Cape of Good Hope and America was discovered.
Seite 202 - Pendulum vibrating Seconds of Mean Time in the Latitude of London in a Vacuum at the Level of the Sea...
Seite 4 - ... density that causes sound to pass rapidly through them. "Other things remaining the same, an augmentation of density always produces a diminution of velocity.
Seite 202 - May one thousand eight hundred and twenty-five, the Straight Line or Distance between the Centres of the Two Points in the Gold Studs in the Straight Brass Rod, now in the Custody of the Clerk of the House of Commons, whereon the Words and Figures
Seite 450 - When STEAM VESSELS on different courses must unavoidably or necessarily cross so near that by continuing their respective courses, there would be a risk of coming in Collision, each Vessel shall put her HELM TO PORT, so as always to pass on the LARBOARD side of each other.
Seite 400 - Caesar was the first who obtained the express permission of the senate to place his portrait on the coins, and the example was soon followed. In the earlier and more simple days of Rome...
Seite 463 - What we claim as our invention, and desire to secure...
Seite 523 - It is a most important part of the character of the current, and essentially connected with its very nature, that it is always the same. The two forces are everywhere in it. There is never one current of force or one fluid only. Any one part of the current may, as respects the presence of the two forces there, be considered as precisely the same with any other part ; and the numerous experiments which imply their possible separation, as well as the theoretical expressions which, being used daily,...
Seite 12 - ... of which it is composed, so as to allow a round-pointed knife to be introduced between them in order to effect a complete separation. The plates thus obtained are laid one by one on a board covered with...
Seite 277 - In trigonometry, the number which expresses the proportion of AC to AB is called the sine of the angle at B ; and thus the resistance to a surface moving in a liquid is said to increase or decrease in proportion to the square of the sine of the angle which the direction of the surface makes with the direction in • which it is moved.

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