Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers, Metallurgists, Mine Proprietors, Engineers, Shipbuilders, Scientists, Capitalists ..., Band 10Perry Fairfax Nursey Knight and Lacey, 1830 |
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Seite 3
... less . But since the less the number of teeth in any wheel is , the greater will be the quantity of curvature contained in the rounded parts , and of course the farther any erroneous method is liable to deviate ; it fol- lows that the ...
... less . But since the less the number of teeth in any wheel is , the greater will be the quantity of curvature contained in the rounded parts , and of course the farther any erroneous method is liable to deviate ; it fol- lows that the ...
Seite 4
... less , with church clocks . Indeed , I have known clock - makers , famed for the excel- lent machinery they produced , who have , nevertheless , fixed the con- necting apparatus between the clock and the hammer in such an ex- tremely ...
... less , with church clocks . Indeed , I have known clock - makers , famed for the excel- lent machinery they produced , who have , nevertheless , fixed the con- necting apparatus between the clock and the hammer in such an ex- tremely ...
Seite 5
... less than the motive force ; so that to gain any mechanical advantage is utterly impossible ; and it necessarily fol- lows that the utmost skill of the most expert mechanic cannot be ex- ercised to gain an advantage , but only to avoid ...
... less than the motive force ; so that to gain any mechanical advantage is utterly impossible ; and it necessarily fol- lows that the utmost skill of the most expert mechanic cannot be ex- ercised to gain an advantage , but only to avoid ...
Seite 6
... less , even allowing that the smallest piston must be more tightly packed than the other . " When practical persons , " Messrs . V. and Co. go on to say , " look into our principle of action , the sources of our extra power will be at ...
... less , even allowing that the smallest piston must be more tightly packed than the other . " When practical persons , " Messrs . V. and Co. go on to say , " look into our principle of action , the sources of our extra power will be at ...
Seite 9
... less because he was not acquainted with it . It was not till 1741 that Castillon gave to this curve the name of car . dioid , believing , apparently , that it was quite a new discovery ; the proof of which is , that he does not say a ...
... less because he was not acquainted with it . It was not till 1741 that Castillon gave to this curve the name of car . dioid , believing , apparently , that it was quite a new discovery ; the proof of which is , that he does not say a ...
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advantage Almanac angle annuity apparatus appears applied Athenæum Club atmosphere Barton-upon-Humber body boiler calculated carbonic acid cardioid cause centre circle Claremorris comet compound interest conductors construction correspondent cranks cubic foot curve cycloid cylinder diameter draw earth effect engine epicycloid equal experiment favour feet fire fixed friction give given greater ground half heat improvement inches invention iron labour length less letter lever London machine Magazine matrass means Mechanics ment Messrs metal method MISCELLANEOUS NOTICES mode motion nerally object observations obtained paddle-wheel paddles passing patent pendulum Perihelion perpetual motion person piece pipe piston present pressure principle produce purpose quantity quired readers respect screw Septenary System side sidereal Society specific gravity square steam suppose Table tained tion Treatise tube TURRET CLOCKS valve Vaughan vessel weight wheel
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Seite 31 - It is a pleasure to stand upon the shore, and to see ships tossed upon the sea : a pleasure to stand in the window of a castle, and to see a battle, and the adventures thereof below : but no pleasure is comparable to the standing upon the vantage ground of truth (a hill not to be commanded, and where the air is always clear and serene), and to see the errors, and wanderings, and mists, and tempests, in the vale below:" so always that this prospect be with pity, and not with swelling or pride.
Seite 122 - Ocean, the first thing which strikes us is, that, the north-east and south-east monsoons, which are found the one on the north and the other on...
Seite 302 - Lead, then," said Eve. He, leading, swiftly roll'd In tangles, and made intricate seem straight, To mischief swift. Hope elevates, and joy Brightens his crest. As when a wandering fire, Compact of unctuous vapour, which the night Condenses, and the cold environs round, Kindled through agitation to a flame, Which oft, they say, some evil spirit attends, Hovering and blazing with delusive light, Misleads the amazed night-wanderer from his way To bogs and mires, and oft through pond or pool, There swallow'd...
Seite 275 - Yet he was kind, or, if severe in aught, The love he bore to learning was in fault; The village all declared how much he knew; 'Twas certain he could write and...
Seite 326 - Timekeepers are used at Sea, the apparent Time deduced from an Altitude of the Sun must be corrected by the Equation of Time, and the mean Time found compared with that...
Seite 27 - His peroration is worth recalling; he said: "it was the boast of Augustus that he found Rome of brick and left it of marble.
Seite 174 - The new and improved method of applying iron in the sheathing of ships and other vessels, and of apply.ing iron bolts, spikes, nails, pintals, braces and other fastenings used in the construction of ships and other vessels...
Seite 158 - In the nineteenth century the transmutation of metals will be generally known and practised. Every Chemist and every Artist will make gold', Kitchen utensils will be of silver, and even gold, which will contribute more than any thing else to prolong life, poisoned at present by the oxyds of copper, lead, and iron, which we daily swallow with our food.
Seite 78 - It is obvious that water receiving so large a proportion of foreign matters, as we know find their way into the Thames, and so far impure as to destroy fish, cannot, even when clarified by filtration, be pronounced entirely free from the suspicion of general insalubrity.
Seite 46 - No. 10, are rendered magnetic, and stuck at equal distances, into a thin circular piece of cork, of three inches diameter ; this circle is affixed by a copper wire to a light bar of wood, five inches long, having at its opposite extremity a small weight equal to the weight of the needles. In the centre of the bar is an agate cup, which receives a fine steel point, on which the instrument traverses.