Show tho of naval suns but the great puns for baval warfare forms alio icalla im feature of woolwich ars enal insular england dependent on glicr navy has fur the lost twenty years al anost rated mechanical talent of glicr woolwich factories on tins branch of her armament to make guns which ahall perforate ilia iron of other nation how to iron walls the puns 0 other nations cannot perforate is the twofold two fold problem which constantly spurs lier forward single sight inside alic woolwich arsenal grounds shoes how steadily the night I 1 goes on between the ironclad iron clad anil the projectile one sees hundreds of cicat guns in liue side by side made a few years ago which have never been irad since they were tested and arc as new and fresh w when first turned out from the factory atit all these puns are to be broken up and recast into improved ordnance within a cw years almoite months they have become obsolete and nil the vast labor and they rep oes tor nothing s alie 1 ence gained to alic coil as well as thu of w birj thee lon lines of cannon condemned without trial but impressive for alio most part they aris recast into alio hc avier sims weighing from forty lo 10 one hundred tons equip the modern de and of En glands navy two thirds of all iho 0 the i arsenal appear to be up to the manufacture of colo al cannon at the birst stage of their construction st there is made a long coro of cast steel then strips of wrought is long and largo as llie beams of a house arc wrapped around alio breech did the are laid on biot one after another in coils and contracting cool form a breech of prodigious ui neat alic gun is placed on a latha smooth the centre bored out and alic inside polished until one can see alio face reflected from its cartei cur Tei the rilling is an operation deeding peculiar delicacy and skill it is dune with a long still rod tho end of which is lived a crt ting tool of alie hardest bcd lcd as it must ho steel core of the guu so slowly doc 3 tho cylinder revolve hut caru at alic breech where it ha largest diameter it scarcely scam to move at ill the rilling rod ns well as the rate of revolution is by a beautiful piece of covered with numbered arcs and figures and described a a marvel of ap plied to a mechanical process when the hugo hundred ton creaturo cro aturo is done it la a wonder indred its weight is twice eliat of a large railroad locomotive it n forty feet long from breech to buzze and laid across it would reach just about from curb to curb it is seven feet in diameter at the breech and two feet ciglio inches from inner bore to outer i with ranee of sev ural miles it carries a conical shot twenty through weighing almost ft on and needing several hundred pounds of powder to project it A shot af tills eizu bow the thickest naval ancor pla tm and cuts i inches of olid iron backed with ak as cleanly M a bullet through it has fitter much wen found that effective rilling or cannon is a groove starting ns n s 1 straight line at the breech halt way to lie muzzle lie groove begins to turn and al the muzzle the curve ia greatest sending the ball out with a kind of circular snap winch so say tho engineers gicca alic greatest range and proc nion to tho projectile the massive machinery which handles these big pieces 0 ordnance as readily M a chads toy excites scarcely anoro wonder by ila strength than by its unerring accuracy it includes a horizontal revolving bed used tor cutting the bed plates for the guns and probably not acs than forty aci t a crane which lifts easily tons and c in readily swing in hie air four locomotives and alic famous trip hammer weighing forty tons and said to ho the largest in tho world yet which can be so gently to force a watch crystal into its place without breaking it how excellent ani both lie ni iderial and work niti iship out by splendid al woolwich is proved by accident as well ns in deign in a small building is shown an eighty ton gun which was tested intentionally until it hurst hy ita side lies alie big gun of alic ironclad iron clad which aru burst by accidental double loading a few years ago with alic deadly rc alt which many will recall in both great pieces alic fractures sire almoite perfectly symmetrical forming cubes forward of the breech ind proving alike how wa the and how evenly distributed was the strength of tho gun lwi ihn cor y 1 W |