Show fr U ita th e motor ni i the ther oU qwing deseri description p ilon tion of the steam stearn ba battery monitors Moni tois toris from a new tile TIIE MIE MONITOR under rider the he act of congre congress ss passed I 1 last ast summer appropriating for ironclad fron iron clad vessels for the navy captain J ericsson the arl renowned inventor of the calo caio caloric klc ric engine presented proposals for a battery to be launched within one hundred working days from the date of the contract the impregnability of which should be tested before the heaviest guns puns of the enemy and at the shortest range the contract was s ened in october berand and on the ahe one hundred and finst first working day thre thereafter after the monitor was launched from the continental iron works at greenpoint Green point where she was vas constructed construe ed by C S bushnell co under tinder the superintend rice tf thomas F howland of brooklyn externally s she h e pre presents to the fire of or the guns a h hull huli ull uil 1 rising I ig but about eighteen inches above the matel matei arid and a sort of lo 10 tower 0 twenty y feet in diameter and ten feet high the smokestack smoke tack stack during action is lowered into the hold hoid it boing being made with telescopic slides the hull is ia sharp at both en ends tbt the bow projecting and apil coming to a stat shat tat a an angle of eighty degrees agrees to the vertical line it is flat bottomed six and a half feet in depth one hundred and twenty four feet long iong thirty four feet wide at the top and is built of light three ethree eighth inch iron another or upper hull rests resta en this with perpendicular sides and sharp ends five feet high forty feet four inches wide one hundred and anif seventy four feet long extend ng over the sides of the lower hull three feet seven inches and over each end twenty five feet thus serving as a protection to the propeller rudder and ar chor the sides of the upper hult huli are composed of an inner guard of hona iiona nona mall uail of white oak thirty i ches thick covered with ith iron armor six blk inches thick when in readiness for action the lower hull is ia totally immersed and the upper onel nel het is sunk sunil 3 feet linches 6 inches leaving only 18 inches above 4 water the interior is open ti te the bottom like a sloop the deck which is ia bomb proof coming 1 I flush with the top lop of the upper hull huli no railing or bulwark of any kind appears above the deck and the only things exposed are arc the turret of ois citadel the thid wheelhouse heel I 1 and the box crowning the smokestack smoke stack the inclination of the lower hull is such that a ball to strike it in any part must pass through at least 25 feet of 0 water waterland wat erand and then strike an inclined iron surface at an all ali allie angle angie 6 le of about 10 degrees in the event of the nemy enemy b boarding arding the battery they can do no harm as I 1 he the only entrance is at the top of the turret or citadel which cannot ea ily be scaled and even then only one mun at a time ti mecan can descend into the hull I 1 i this turret is a revolving bomb fort and mounts two 11 inch luns cans Itis it is protected by eight of inch iron overlapping so that at no one spot is ia there mare more than one inch thic knea of joint A shellproof shell sheli proof flat roof of perforated plate iron placed on forged beams inserted six inches down the cy cylinder lindet covers the top the sliding hatch bateh in this cover is 13 perforated to give light ligpit and fr musketry fire in case the battery is ia boarded A spur wheel 61 inches in diameter moved by a double cylinder engine turns the turret guns and all a rod connected with the run running ning I 1 gear of the engine enabling the gunner to control the aim the guns moye in forged iron iron slides elides across the turret the carri carrl carriage ageA beine made to fit them accurately these guns were furnished with wrought iron shot by the novelty works each ball weighing pounds and COSt costing Ilig 17 the balls ball were made by forging square blocks of iron which were afterward turned in the lathe cast iro iran n shot would break against such buch a vessel as the alecrim ac an I 1 these shot were forged forgea for the fhe especial purpose of amash ing through her her sides |