Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers, Metallurgists, Mine Proprietors, Engineers, Shipbuilders, Scientists, Capitalists ..., Volum 6Perry Fairfax Nursey Knight and Lacey, 1827 |
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Side 10
... round , that they may not lose any water by contracting in their ascension ; the concavity of the pump , therefore , should be perfectly round . The great water - wheel should be 24 feet diameter , and the wheel , G , 20 feet . The ...
... round , that they may not lose any water by contracting in their ascension ; the concavity of the pump , therefore , should be perfectly round . The great water - wheel should be 24 feet diameter , and the wheel , G , 20 feet . The ...
Side 11
... rounded off , to prevent any chance of cutting or injuring the cable , and let them be scored within , as represented inside of fig . 2 , to correspond and receive with- in their score the lay of the cable or chain , to create a greater ...
... rounded off , to prevent any chance of cutting or injuring the cable , and let them be scored within , as represented inside of fig . 2 , to correspond and receive with- in their score the lay of the cable or chain , to create a greater ...
Side 18
... round back board , something less than the work , may be put in first . And if some round blocks be turned , of two , or two inches and a half thick , and one of them put into this chuck and screwed tight , it will serve to clap a box ...
... round back board , something less than the work , may be put in first . And if some round blocks be turned , of two , or two inches and a half thick , and one of them put into this chuck and screwed tight , it will serve to clap a box ...
Side 19
... round and polished pin , 3-8ths of an inch high , which , by turning the screw backwards , may be set out to an inch from the centre , more or less , as may be required , according as the segment desired may be greater or less . On the ...
... round and polished pin , 3-8ths of an inch high , which , by turning the screw backwards , may be set out to an inch from the centre , more or less , as may be required , according as the segment desired may be greater or less . On the ...
Side 25
... round along with the other three ; and by the time it arrives at G , goes edgeway against it : the wings turn half round their axis for once of the shaft . This motion is derived from the pinion , hhhh , working into the wheel E. The ...
... round along with the other three ; and by the time it arrives at G , goes edgeway against it : the wings turn half round their axis for once of the shaft . This motion is derived from the pinion , hhhh , working into the wheel E. The ...
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Populære avsnitt
Side 493 - A ray of heavenly light, gilding all forms Terrestrial in the vast and the minute ; The unambiguous footsteps of the God, Who gives its lustre to an insect's wing, And wheels His throne upon the rolling worlds.
Side 418 - And understood not that a grateful mind By owing owes not, but still pays, at once Indebted and discharged...
Side 318 - Merchant, (in consequence of a Communication made to him by a certain Foreigner residing abroad) for an Invention of certain Improvements in the Construction of Locks and other Fastenings.
Side 541 - There is no art or science that is too difficult for industry to attain to; it is the gift of tongues, and makes a man understood and valued in all countries...
Side 154 - Then take a quantity of dry powder of wood-ashes mixed with a sixth part of the same quantity of the ashes of burnt bones ; put it into a tin box with holes in the top, and shake the powder on the surface of the plaster till the whole is covered...
Side 50 - But the flights of poetry can seldom bear to be shackled by . homely truth, and if we are to receive the fine imagery, that places the summit of this rock in clouds brooding eternal mists and tempests, — that represents it as inaccessible, even to a man provided with twenty hands and twenty feet, and immerses its base among ravenous sea-dogs ; — why not also receive the whole circle of mythological dogmas of Homer, who, though so frequently dragged forth as an authority in history, theology,...
Side 236 - To avoid this inconvenience and waste, a brewer of the name of Harwood conceived the idea of making a liquor, which should partake of the same united flavours of ale, beer, and two-penny; he did so, and succeeded, calling it entire...
Side 396 - ... however, as his thoughts had been for some time chiefly employed upon optics, he made his discoveries in that science the subject of his lectures for the first three years after he was appointed mathematical professor ; and having now...
Side 269 - ... below the summits of the rocks, and then rose above them, the only time for landing was the moment it gained the level of the coast — a circumstance which rendered the attempt extremely nice and hazardous. " Both sledges, however, succeeded in gaining the shore, and were drawn up on the beach, though not without great difficulty. Scarcely had they reached it, when that part of the ice...
Side 117 - ... parts on each side of the middle. These are the principal divisions, and each of them is subdivided into halves and quarters. Across the middle is fixed one of the smallest needles I could procure to serve as an axis, and it is fixed in its place by means of a little sealing wax.