Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers, Metallurgists, Mine Proprietors, Engineers, Shipbuilders, Scientists, Capitalists ..., Volume 68 |
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Popular passages
Page 134 - ... but with thee will I establish My Covenant, and thou shalt come into the ark, thou and thy sons and thy wife, and thy sons
Page 54 - It would certainly be esteemed one of the greatest discoveries of the age if any one could succeed in condensing coal gas into a white, dry, solid, odourless substance, portable, and capable of being placed upon a candlestick, or burned in a lamp.
Page 418 - Every Ray of Light in its passage through any refracting Surface is put into a certain transient Constitution or State, which in the progress of the Ray returns at equal Intervals, and disposes the Ray at every return to be easily transmitted through the next refracting Surface, and between the returns to be easily reflected by it.
Page 222 - ... almost infinitely increased, to lay out a cable in deep waters, say two miles, or more, in such a way as not to require a length much greater than that of the actual distance, as from the inclined direction of the yet sinking part of the cable, the successive portions payed out, must, when they reach the bottom, arrange themselves in wavy folds, since the actual length is greater than the entire horizontal distance.
Page 435 - SIR, I AM commanded by the Lords Commissioners of Her Majesty's Treasury to acquaint you that, the...
Page 177 - The remarkable relations existing between the physical structure of matter, and its effect upon heat, light, electricity, magnetism, &c., seems, until the present century, to have attracted little attention: thus, to take the two agents selected for this evening's discourse, Light and Electricity, how manifestly their effects depend upon the molecular structure of the bodies subjected to their influence ? Carbon in the form of diamond transmits light but stops electricity. Carbon in the form of coke...
Page 220 - ... touch the gilt surface of the sulphur on that side, separated a little way and then brought out to be examined, gave a positive charge to the electrometer : when it was taken to the other side of the sulphur and applied in the same manner, it brought away a negative charge. Thus showing, that whilst the sulphur was under induction, the side of it towards the negative gutta-percha was in the positive state, and the side towards the positive inducteous surface of copper bounding the extent of the...
Page 219 - It is almost impossible to take a block of sulphur out of paper, or from off the table without finding it electric ; if, however, a small spirit-lamp flame be moved for a moment before its surface at about an inch distance, it will discharge it perfectly. Being then laid on the cap of the electrometer it will probably not cause divergence of the gold leaves; but the proof that it is in no way excited is not quite secure until a piece of uninsulated tinfoil or metal has been laid loosely on the upper...
Page 124 - The principle of this plan is to divide the furnace into two fire-grates, the one at the back being shorter than the other, and placed at a lower level. This back grate is furnished with a regular door-frame and door, for the purpose of enabling the stoker to clean the bars and remove the clinker when required. This door is also provided with an aperture fitted with a throttle valve, and in the inside a distributing box perforated with half-inch holes, after the manner practised by Mr. Wye Williams....
Page 220 - ... surface that the full divergence due to the lower surface is obtained. Being aware of these points, which are necessary to safe manipulation, and proceeding to work with a plate of sulphur in the field of induction before described, the following results are obtained : A piece of uncharged sulphur being placed in the induction field...
Bibliographic information
| Title | Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers, Metallurgists, Mine Proprietors, Engineers, Shipbuilders, Scientists, Capitalists ..., Volume 68 |
| Editor | Perry Fairfax Nursey |
| Contributor | Sholto Percy |
| Publisher | Knight and Lacey, 1858 |
| Original from | the University of Michigan |
| Digitized | 20 Jun 2007 |
| Export Citation | BiBTeX EndNote RefMan |