-----+--------+---------+-------+--------+-----+-----+--------+------- | | | | |Weight of |Penetra- | | | | |Projectile. |tion of | | | | | |Weight of |Wrought- | | | | | |Charge. |Iron at | | | | | | |Muzzle |1000 Year.| Type. | Weight. |Length.|Calibre.| | |Energy. |Yards -----+--------+---------+-------+--------+-----+-----+--------+------- | |tons cwt.| in. | in. | lb. | lb. |ft.-tns.| in. 1800 |Cast- | 2 12 | 114 | 6.4 | 32 | 10 | 400 | -- |iron | | | | | | | |smooth- | | | | | | | |bore | | | | | | | | | | | | | | | 1842 |Ditto | 4 15 | ... | 8.12 | 68 | 16 | 700 | -- | | | | | | | | 1865 |Woolwich| 4 10 | ... | 7 | 115 | 22 | 1400 | 7 |wrought-| | | | | | | |iron | | | | | | | | | | | | | | | 1870 |Built-up| 38 0 | 200 | 12.50 | 810 | 200 | 13,900 | 17 |muzzle- | | | | | | | |loader | | | | | | | | | | | | | | | 1880 | Ditto | 80 0 | 321 | 16 |1700 | 450 | 27,960 | 22-1/2 | | | | | | | | 1887 |Built-up| 110 10 | 524 | 16.25 |1800 | 960 | 54,390 | 32 |breech- | | | | | | | |loader | | | | | | | | | | | | | | | 1895 |Wire- | 46 0 | 445.5 | 12 | 850 | ... | 33,940 | 34.6 |wound | | | | | | | |breech- | | | | | | | |loader | | | | | | | | | | | | | | | 1900 |Ditto | 51 0 | 496.5 | 12 | 850 | 210 | 36,290 | 35.4 | | | | | | | | 1905 |Ditto | 58 0 | 540 | 12 | 850 | ... | 49,560 | 42 -----+--------+---------+-------+--------+-----+-----+--------+-------