476 
INDEX. 
Penetration of sliot cast in chill, and steel shot 
when fired from the same gun,with similiar 
charges, experiment to ascertain the re¬ 
lative, 107 
-, superior effects of chilled shot after, 237 
Peninsular campaign, extracts from annals of, 
399, 420 
Peninsular war, equipment of Lieut-Col. Rohe, 
by Shrapnel for, 405 
-, proportion of shrapnel in, 408 
Penzance, Shrapnel’s experiments carried on 
at, 412 
Percival, Mr, urgent applications on the sub¬ 
ject of shrapnel shells to, 403 
“ Percussion ” and “ Concussion,” 74 
Percussion fuze, Freeth’s, 193 
-, action of, ib. 
-, Pettman’s general service, description 
of, 292 
■---—, action of, 294 
--, composition of, 293 
•-, land and sea service, descrip¬ 
tion of, 74 
- - , trials of field guns against wooden 
screens, with, 319 
Percy, Dr, on the different character of cast¬ 
ings, 231 
“ Perun,” Russian boat, constructed by Messrs 
Siemianikoff and Poletika, 102 
“ Perveniec,” built at Thames Don Works, 
100 
-, cost of, ib. 
Petrarch, early mention of brass shot, by, 25 
Petrified jaws found in Windmill Hill cave, 
300 
“ Petropavlosk,” cost of armour plates and 
machinery for, 100 
Pettman’s general service percussion fuze, 
description of, 292 
--, action of, 294 
-, land service, description of, 76,211 
--, action of, 78 
-, sea service, 80 
Photography, method of obtaining the picture 
of a gun in the act of firing by, 113 
Piacentino, bombards at siege of Yercelli, 
from chronicle of, 28 
Pietra Buona, effects of bombards at siege of 
castle of, 27 
Pietro Doria, killed by the firing of a bombard, 
30 
«Pil’ plumb’,” 21 
Pin cartridge, Lefaucheux, 243 
Piobert, remarks on the best position of the 
vent for initial velocity, 200 
——, law of the resistance of the air deduced 
by, 163 
Pisa, bombard weighing 2000 lbs., at, 27 
--, early use of stone shot, from chronicles 
of, 27 
Pisani, Brondolo besieged by, 30 
Plan of muzzle-pivoting guns, 250 
“ Plataines,” 4, 9 • 
“ Plate longe,” 283 
Plates, armour, experiments in Russia against, 
64 
.-, “ Hercules ” target, 107 
Ploughshares, chilled, 232 
Poco Roca cave, 296, 301 
Poisoned balls, the French at Badajos com¬ 
plain of, 418 
u Pojarski,” Russian armour-clad vessel, 
dimensions of, 105 
Pola, Vettore Pisani imprisoned for losing 
battle of, 29 
Pole, Prof. William, F.R.S., on the com¬ 
parison of the accuracy of guns in artillery 
practice, 45 
Polier, Major, killed at siege of Madras, 
437 
Pollock, General, Kyber Pass forced by, 423 
Pondicherry, the fall of, 438 
Pontefract, vote of thanks passed to Majors 
Whinyates and Michell on their leav¬ 
ing, x 
Ponsonby, Capt., letter to, from Brigadier 
Monteith, on the execution of shrapnels 
in Kyber Pass, 423 
Porchester castle, entry of money for carriage 
of cannon from Tower of London to, 25 
Porterage and storage of shot in 1374, 20 
Portuguese, losses at Salamanca of, 416 
Position of vent, experiments to test the 
best, 200 
Potet’s central fire cartridge, 243 
“ Poussoir,” 13 
Powder barrel, three artillery officers killed 
by explosion of, 131 
—— cases for Boxer ammunition, 262 
-, how made in the 14th century, 36 
-, materials for the manufacture of in 
1374, 19 
——, pellet, 205 
-, rifled L.G. 204-206 
-, variations in the charges of, at dif¬ 
ferent periods, 274 
Practical effect in the field of B.L. and M.L. 
guns, tests of the, 314 
-sailing of Russian iron-clad vessels, trials 
of, 103 
-tests of ranges with shot and segment 
shell, 315 
“Practical Mechanics’ Journal,” dimensions 
of the principal Russian armour-clad 
vessels, extracted from, 105 
Practice against iron plates in Russia, 64 
Precision, measures of, 63 
- of fire with time fuzes, uncertainty of, 
311 
Preliminary operations of campaign of 1866 
in Germany, 356 
Preparation of the 9-seconds fuze for M.L. 
ordnance, 428 
--20 secs., 429 
Preponderence of guns at battle of Goojerat, 
397 
Price of Boxer ammunition for Snider con¬ 
verted rifle, 263 
- Enfield ammunition, ib. 
-materials in 1375 and 1865, com¬ 
parison of, 10 
Principal events in the campaign of 1866 in 
Germany, chronology of the, 379 
Prisoners at siege of Madras, number of, 437 
Private official correspondence of Col. Robe 
to Board of Ordnance, on the effects of 
spherical case shot, 407 
" Probable rectangle,” 46 
Proceedings of foreign artillery, 61 
Projectile, experiments to determine the effect 
of elongating the cartridge on the velocity 
of the, 195 
Projectiles (chilled), advantages of, over steel, 
236 
--, great saving of expense with, 
over steel, 237 
