Page:EB1911 - Volume 20.djvu/241

HISTORY AND CONSTRUCTION] {| class=_tablecolhdborder
 * + XVIII.—Sir W. G. Armstrong, Whitworth & Co.’s Guns. Abridged Table.
 * Official Designation of Gun.||Calibre.||Weight of Gun.||Weight of Charge.||Weight of Projectile.||Muzzle Velocity.||Muzzle Energy.||Perforation of Wrought Iron.||Rate Of firing Rounds.||Propellant.
 * In.||Tons.||℔.||℔.||Ft.-Secs.||Ft.-Tons.||In.||Per Minute.||
 * 12 in.||12&numsp;||69||318||850||2960||51,640||51·5||&numsp;2||
 * 10 ,,||10&numsp;||36||200||500||3000||33,318||44·0||&numsp;3||
 * &numsp;9·2 ,,||&numsp;9·2||28||138||380||3030||24,190||40·8||&numsp;4||
 * &numsp;8 ,,||8||21||90||250||3000||15,600||34·9||&numsp;5||
 * &numsp;7·5 ,,||&numsp;7·5||15·75||76||200||3000||12,481||32·1||&numsp;6||
 * &numsp;6 ,,||6||8·75||&numsp;35·5||100||3050||&numsp;6,492||26·0||&numsp;9||
 * &numsp;4·7 ,,||&numsp;4·7||3·3||15||&numsp;45||3000||&numsp;2,808||19·1||12||
 * &numsp;4 ,,||4||2·1||11||&numsp;31||3000||&numsp;1,934||17·3||12||
 * &numsp;3 ,,||3||1·1||&numsp;5·75||14·3||3050||922||13·9||30||$$\Big\{$$
 * &numsp;6 pr.||&numsp;2·24||&numsp;·52||||1·13||2400||240||&numsp;7·3||25||
 * &numsp;3&numsp; ,,||&numsp;1·85||&numsp;·25||·625||3·3||2300||121||&numsp;5·7||25||
 * }
 * &numsp;6 ,,||6||8·75||&numsp;35·5||100||3050||&numsp;6,492||26·0||&numsp;9||
 * &numsp;4·7 ,,||&numsp;4·7||3·3||15||&numsp;45||3000||&numsp;2,808||19·1||12||
 * &numsp;4 ,,||4||2·1||11||&numsp;31||3000||&numsp;1,934||17·3||12||
 * &numsp;3 ,,||3||1·1||&numsp;5·75||14·3||3050||922||13·9||30||$$\Big\{$$
 * &numsp;6 pr.||&numsp;2·24||&numsp;·52||||1·13||2400||240||&numsp;7·3||25||
 * &numsp;3&numsp; ,,||&numsp;1·85||&numsp;·25||·625||3·3||2300||121||&numsp;5·7||25||
 * }
 * &numsp;3 ,,||3||1·1||&numsp;5·75||14·3||3050||922||13·9||30||$$\Big\{$$
 * &numsp;6 pr.||&numsp;2·24||&numsp;·52||||1·13||2400||240||&numsp;7·3||25||
 * &numsp;3&numsp; ,,||&numsp;1·85||&numsp;·25||·625||3·3||2300||121||&numsp;5·7||25||
 * }
 * &numsp;3&numsp; ,,||&numsp;1·85||&numsp;·25||·625||3·3||2300||121||&numsp;5·7||25||
 * }

Note. The above table includes a light and heavy type of gun, but for each the length of bore is 50 calibres; in the unabridged table guns of 40 and 45 calibres are included. The particulars of the shorter pieces can be easily obtained from Table XX., as the