Mechanics' Magazine and Journal of Enigneering, Agricultural Machinery, Manufacturing, and Shipbuilding, 2권Knight and Lacey, 1824 |
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4 페이지
... pipe ; F P , forcing pump to supply the boiler with water ; C , cock to let out water , salt , mud , & c . RB , rivet - bolt , tube , plates , and countersunk washer ( the latter to prevent the riveted end of the bolt giving way , or ...
... pipe ; F P , forcing pump to supply the boiler with water ; C , cock to let out water , salt , mud , & c . RB , rivet - bolt , tube , plates , and countersunk washer ( the latter to prevent the riveted end of the bolt giving way , or ...
16 페이지
... pipe , what method ought to be used to get it down . As these wells are usually paid for by the foot , I have often been inadequately paid , owing to the time taken up in getting brick - work through this loose sand , which blows up ...
... pipe , what method ought to be used to get it down . As these wells are usually paid for by the foot , I have often been inadequately paid , owing to the time taken up in getting brick - work through this loose sand , which blows up ...
18 페이지
... pipe , the whole height of the water - fall , with a cistern or receiver at the top . The pipe , when filled with the water , will of course possess a pres- sure equal to its weight . Let this pipe , therefore , be connected with an ...
... pipe , the whole height of the water - fall , with a cistern or receiver at the top . The pipe , when filled with the water , will of course possess a pres- sure equal to its weight . Let this pipe , therefore , be connected with an ...
30 페이지
... pipe - clay , he would oblige ( according to the last estimates ) about 90,000 men , including your constant reader , No. 5. PROBLEM . H. Cast off from a square plot of ground , a quarter of a square from one corner of the whole , and ...
... pipe - clay , he would oblige ( according to the last estimates ) about 90,000 men , including your constant reader , No. 5. PROBLEM . H. Cast off from a square plot of ground , a quarter of a square from one corner of the whole , and ...
34 페이지
... pipe , measured from the top ; D the horizontal area of the pipe at the depth C. Then , from what has been stated , it is manifest that sequently D A D A B ; con- VC B .2 it being found the proportion existing be- tween the bottom and ...
... pipe , measured from the top ; D the horizontal area of the pipe at the depth C. Then , from what has been stated , it is manifest that sequently D A D A B ; con- VC B .2 it being found the proportion existing be- tween the bottom and ...
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117 페이지 - Studies serve for delight, for ornament, and for ability. Their chief use for delight, is in privateness and retiring; for ornament, is in discourse; and for ability, is in the judgment and disposition of business...
362 페이지 - Observations on a general iron railway, or land steam conveyance, to supersede the necessity of horses in all public vehicles ; showing its vast superiority in every respect over all the present pitiful methods of conveyance by turnpike roads, canals, and coasting traders ; containing every species of information relative to railroads and locomotive engines.
14 페이지 - In human works, though labour'd on with pain, A thousand movements scarce one purpose gain; In God's, one single can its end produce; Yet serves to second too, some other use.
206 페이지 - ... increasing the quantity of steam. The substance employed is known by the name of comings, being the radicles of barley, produced in the process of malting, which are separated before the malt is sent to market. About a bushel of these is thrown into the boiler, and when the steam is again raised, an immediate effect is visible; for there is not only a plentiful supply of steam to produce the full working speed of the engine, but an excess of it going waste at the safety valve: this singular effect...
123 페이지 - Now the distance of the centre of oscillation from the point of suspension...
113 페이지 - 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.
176 페이지 - The hive is generally made out of a log of wood from two to three feet long, and eight or ten inches in diameter, hollowed out, and closed at the ends by circular doors, cemented closely to the wood, but capable of being removed at pleasure.
176 페이지 - ... the economy of the interior to more advantage. The honey is not contained in the elegant hexagonal cells of our hives, but in wax bags, not quite so large as an egg.
103 페이지 - ... 6 to 5. The following Table exhibits the relative adhesion of nails of various kinds, when forced into dry Christiana Deal, at right angles to the grain of the wood...
354 페이지 - Indeed, there is no machine or mechanism in which the little that theorists have done is more useless. The honour of bringing it to its present state of perfection, therefore, belongs to a different and more useful class. It arose, was improved and perfected by working mechanics — and by them only...