Mechanics' Magazine and Journal of Enigneering, Agricultural Machinery, Manufacturing, and Shipbuilding, 2권Knight and Lacey, 1824 |
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64개의 결과 중 1 - 5개
8 페이지
... lowing diagram . The lower cistern , which con- tains tho water , C D. Now , the cylinder B being turned round . all the water from the cistern , which ascends through it , will fall into E F B H I K the vessel at E ...
... lowing diagram . The lower cistern , which con- tains tho water , C D. Now , the cylinder B being turned round . all the water from the cistern , which ascends through it , will fall into E F B H I K the vessel at E ...
16 페이지
... cylinder ) , that I came to the conclusion that it could never be used to advantage : X. Y. 7 NEW PATENTS . To Francis Devereux , of Cheapside , merchant ; for certain improvements on the mill or machine for grinding wheat , and other ...
... cylinder ) , that I came to the conclusion that it could never be used to advantage : X. Y. 7 NEW PATENTS . To Francis Devereux , of Cheapside , merchant ; for certain improvements on the mill or machine for grinding wheat , and other ...
18 페이지
... cylinder of the engine ; C the cylinder ; D the pis- ton ; E the piston rod ; FF the noz zles leading to the cylinder on each side of the piston ; G the two - way cock , which will have always one passage open to the main pipe and cylinder ...
... cylinder of the engine ; C the cylinder ; D the pis- ton ; E the piston rod ; FF the noz zles leading to the cylinder on each side of the piston ; G the two - way cock , which will have always one passage open to the main pipe and cylinder ...
34 페이지
... cylinder : now , if this triangle be wrapped round the cylinder , its hypothenuse will trace the helices or threads of a screw . And 34.
... cylinder : now , if this triangle be wrapped round the cylinder , its hypothenuse will trace the helices or threads of a screw . And 34.
90 페이지
... cylinder , air - pump , & c . , the actual labour is only about grds of the calculation by theory . For iny own part I take it to be ths of 15 lbs . for atmospheric engines , " ths of the sum of the weight per square inch on the safety ...
... cylinder , air - pump , & c . , the actual labour is only about grds of the calculation by theory . For iny own part I take it to be ths of 15 lbs . for atmospheric engines , " ths of the sum of the weight per square inch on the safety ...
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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...