Annual of Scientific Discovery: Or, Year-book of Facts in Science and ArtGould and Lincoln, 1863 |
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Seite 51
... velocity and force of the projectile being so great as to penetrate the plates through and through , owing to the non - resistance of the wood back- ing , the shot did its work without causing the same amount of vibra- tion as a shot at ...
... velocity and force of the projectile being so great as to penetrate the plates through and through , owing to the non - resistance of the wood back- ing , the shot did its work without causing the same amount of vibra- tion as a shot at ...
Seite 54
... velocity , in other words , heavy shot and heavy charges of powder , will smash through even 6 - inch plates like glass , while we have yet to learn whether even 5 - inch plates can be used on ships with safety to their sea - worthiness ...
... velocity , in other words , heavy shot and heavy charges of powder , will smash through even 6 - inch plates like glass , while we have yet to learn whether even 5 - inch plates can be used on ships with safety to their sea - worthiness ...
Seite 66
... velocity before reaching the canister , and an effective shot may be made at the distance of two or three hundred feet . The cannon is fixed into a stuffing - box simi- lar to that of the piston of a steam - engine , and an automatic ...
... velocity before reaching the canister , and an effective shot may be made at the distance of two or three hundred feet . The cannon is fixed into a stuffing - box simi- lar to that of the piston of a steam - engine , and an automatic ...
Seite 69
... being chilled only to a certain extent , they would find that the whole shot , having the same velocity when striking the object MECHANICS AND USEFUL ARTS . 69 statical pressure they sustain, equivalent to 78 tons per ...
... being chilled only to a certain extent , they would find that the whole shot , having the same velocity when striking the object MECHANICS AND USEFUL ARTS . 69 statical pressure they sustain, equivalent to 78 tons per ...
Seite 70
... velocity when striking the object of resistance , would break as if it had not been hardened at all . APPLICATION OF IRON TO THE CONSTRUCTION OF SHIPS OF WAR , AND ITS POWER TO RESIST PROJECTILES . In a paper recently published by the ...
... velocity when striking the object of resistance , would break as if it had not been hardened at all . APPLICATION OF IRON TO THE CONSTRUCTION OF SHIPS OF WAR , AND ITS POWER TO RESIST PROJECTILES . In a paper recently published by the ...
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acetic acid action alumina ammonia amount aniline animals apparatus appear applied armor-plates astronomer atmosphere body British carbonic acid cast iron cent charcoal chemical cloth color comet containing copper degrees diameter discovery distance earth effect electric English engraving exhibited existence experiments explosion fact feet fibre force furnace heat hundred hydrochloric acid hydrogen inches increased iron lakes light lines liquid London machine magnetism manufacture mass matter ments metal metres miles minute motion naphtha nature nitric acid nitrogen observed obtained organic oxide oxygen paper passed phenomena phosphorus plants plates pollinia portion pounds present pressure produced Prof projectile quantity recently remarkable resistance rifled salt shell ship Shoeburyness shot side solar solid solution specimens spectrum stars steam steel stone strychnia substance sulphuric acid surface target temperature thallium thick tion tons tube vapor velocity vessel weight wrought iron
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Seite 140 - In this ascension, six pigeons were taken up. One was thrown out at the height of three miles ; it extended its wings and dropped...
Seite 171 - In order to explain,' he says, ' the occurrence of the dark lines in the solar spectrum, we must assume that the solar atmosphere encloses a luminous nucleus, producing a continuous spectrum, the brightness of which exceeds a certain limit. The most probable supposition which can be made respecting the sun's constitution is, that it consists of a solid or liquid nucleus, heated to a temperature of the brightest whiteness, surrounded by an atmosphere of somewhat lower temperature. This supposition...