476 
INDEX, 
Pig-iron, experiments made with, 201 
-, tensile strength of, ib. 
Plate armour, memorandum in reference to 
the action of shot upon, 195 
Plates, armour, protected by a facing of wood 
and iron, 38 
-manufactured at Parkhead forge, ib. 
Plates, iron, manufactured by Messrs. J. 
Drown & Co. of Sheffield, 37, 48, 57, 283, 
492 
-Messrs Beale, 37, 44 
-Mill wall Iron Works, 31, 45, 147, 277 
-Thames Iron Company, 37, 63 
• -suddenly cooled, 44 
“ Plenissingis,” 27 
Pocket sector, to obtain range by means of, 
150 
Pole, Prof., extract from the personal narra¬ 
tive regarding two large guns preserved 
at Mont S. Michael, 14 
——-letter from A. Marquet, Directeur du 
Mont S. Michel, to, 20 
--memorandum by, in reference to the 
action of shot upon plate armour, 195 
Pontorson, narrative of Prof. Pole from, 14 
Pontypool iron, 202 
Porter, Rear-Admiral, views on iron-clads, 
450 
Portsmouth, experiments against iron plates, 
at, 204 
Powerful effect of gun-cotton under water, 73 
Practice at Shoeburyness on 15th March, 1861, 
with shot from a 40-pr. Armstrong rifled 
gun, giving right-handed rotation, 181 
--, on 9th April, 1862, with shot 
weighing about 60 lbs., from a 32-pr. gun 
rifled on a French principle, and giving 
a left-handed rotation, ib. 
-, with service and special shot, reports 
of, 183-185 
• -, mean deflections of, 186,187 
Price, Dr, pig-iron, experiments made with, 
201 
-, refined iron, comparative trial of, 62 
Probable number out of 1000 carriages that 
will be found serviceable and unservice¬ 
able after each period of years, 226 
Projectiles, Bessemer metal, 57 
• -, ancient, 307 
——, mean penetration of cast-iron, into 
soils, 161 
-, derivation of elongated, 180 
-, deviation of; unconnected with rifling, 
— -homogeneous metal, and case-hardened 
wrought-iron, 57 
— — of various descriptions tested against 
unbacked plates, 208 
-—— of various forms and qualities of 
metal, 49 
— . penetration of Whitworth, 39 
-, reports of officers, U.S. Navy, on cast- 
iron, against iron-cased vessels, 416 
--, results of experiments with, against 
iron armour, 195 
Properties and history of the substance of gun 
cotton, 65 
— - which constitute the distinction in 
cast-iron, wrought-iron, and steel, defini¬ 
tions of, 197 
Puddled steel, 205 
Puddling, conversion of cast-iron into mal¬ 
leable or wrought-iron by, 198 
Qualifications of gun cotton for military and 
engineering purposes, 67 
“ Quheles and extreis creischit,” 27 
R. 
Rangariri, camp of, New Zealand, 33 
Range, to find, 1 , 150 
Raymond, M, Xavier, on Whitworth’s projec¬ 
tiles, 217 
Recent gunnery experiments upon iron armour, 
37 
Reed, Mr, converted ships on plan of, 425 
Refined iron, comparative trial of shot made 
of, 62 
Regimental history, contributions to, 248, 259 
Relation of the power to the weight in the 
various machines, in general use, for the 
mounting, &c., of heavy ordnance, 271 
Remarks by the O. S. Committee, on a series 
of rope mantelets, 227 
Remarks on the employment of the sextant for 
observations requiring great precision, 92 
Remarks on the operations of the Royal 
Artillery during the campaigns, in New 
Zealand, in 1861 and 1863-64, 371 
-, Col. Boxer’s, on diaphragm Shrap¬ 
nel shell, extract from, 7 
Report of Ordnance Select Committee on the 
relative penetration into earth of projec¬ 
tiles from rifled and smooth-bored guns, 
and on several varieties of percussion 
fuze, 159 
——-, on 28th Nov., 1864, to test shot made 
of various kinds of steel, fired from 68 -pr. 
and 100 -pr. smooth-bored guns, 277 
-, on 16th Dec. 1864, and 5th and 6 th 
Jan. 1865, to test the relative power 
of the 100-pr. S.B. gun, of 6 |- tons, and 
the 7" M.L. shunt rifled gun, of 134 cwt., 
283. 
--, on the trial of the 7" wrought-iron 
guns rifled on various systems, 389, 403, 
412 
— -of a survey of the “ Tennessee,” made 
by officers of the federal navy after the 
engagement in Mobile Bay, 442 
- on the “ Genista” Cave, Windmill 
Hill, Gibraltar, 309 
Report, annual, 1863-’64, 95 
-1864-’65, 317 
Results of experiments, to ascertain the resis¬ 
tance of different kinds of shot to a force 
tending to crush them, 212 
— -of experiments with projectiles against 
iron armour, 195 
— -to ascertain the protec¬ 
tion afforded by four different mantelets, 
against the Enfield rifle service ammuni¬ 
tion and the 1842 pattern rifle service 
ammunition, at different ranges, 232 
--i n 1862 with a 68 -pr. 
smooth-bore gun, against iron plates, 199 
Results of experiments carried on in America 
against iron armour, 453 
Return of carriages, &c., from Corfu, which 
are found fit for the service, shewing the 
date of their make, 222 
Returned carriages, &c., which are fit for 
further service, and of those which are 
unserviceable, 226 
