Scientific American Volume 06 Number 20 (May 1862) . proposes to bring the guns into sufficient proximityto an enemys ship and fire it below the water level;the projectile will therefore pass through the water,strike and enter the enemys ship below the waterline and so contribute to its destruction. Guns sosituated may be worked by the men in the ordinaryway, they being in the pressure chamber. Guns worked and discharged in compressed airchambers, according to this invention, would Inmostoases, be fired point blank, and would not in any caserequire to be elevated, but in very close quarters wi
Scientific American Volume 06 Number 20 (May 1862) . proposes to bring the guns into sufficient proximityto an enemys ship and fire it below the water level;the projectile will therefore pass through the water,strike and enter the enemys ship below the waterline and so contribute to its destruction. Guns sosituated may be worked by the men in the ordinaryway, they being in the pressure chamber. Guns worked and discharged in compressed airchambers, according to this invention, would Inmostoases, be fired point blank, and would not in any caserequire to be elevated, but in very close quarters withan enemy they might be depressed with practice, however, the gun might always be main-tained at a uniform level, in which case the portor hole in the ships side may be made of a size tocorrespond somewhat in diameter to the muzzle ofthe gun. The gun having been loaded and broughtinto position, the supply of compressed air is admit-ted to the gun chamber, the port is opened by thelever and the gun OFj CHS SCIENTIFIC AMERICANS THE BEST KECHAHICAL BATES IE TEE WOBXD. EI6HTEEBTH TEAS. VOLUME VI.—NEW 8EEIE8. posed to be operated for this purpose, by ThomasPage, C. E., London, and described in the Mechanic*Magazine. Each gun is to be placed in a chamber be-low the water level. This chamber is made water-tight, and air is forced into it by a pump througha tubo. The air pressure is greater than that of thewater at the depth at which the gun is placed belowthe water level. Each gun chamber is connected witha reservoir in which a plentiful supply of condensedair is The gun being loaded, placedand trained in position by suitable apparatus, a portis opened in the shipsside below the water level, andthe gun is fired through such port, which is againim-mediately closed. The pressure of air in the chambercauses a rush of air outward, and prevents the in-gress of water to any extent while firing. Mr. Fage I A new volume of this widely circulated paper
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