Miscellaneous Papers on Mechanical Subjects: Guns and Steel

20 inches absolutely sound accuracy air cells angle of elevation armour plate axis axle B.L. Gun barrel bearing surface bore breech block bursting charge calibre cast iron charge of powder compressed steel cylinder diameters in length diameters long Enfield rifle enlargement experiments FIELD CARRIAGE figure of merit flat flat-headed projectile flight fluid fluid-compressed steel form of Projectiles gave a range grooves Hythe inch thick increased ingot iron plate long projectiles Lord Hardinge Lord Panmure Mean deflection Mean range mechanical metal minimum diameter muzzle obtained Ordnance Select Committee ounces penetration polygonal powder chamber powder charge pressure range and deflection range in yards recoil revolutions per minute rotation rounds fired screw SECTION shell weighing Shoeburyness solid shot Southport steel bullet stud system tensile strength tons trajectory trials tube turn in 20 twist variation in range water line Whitworth 9-pounder Whitworth and Enfield Whitworth rifle windage Woolwich wrought iron