480 
INDEX. 
IT. 
Unbacked plates, projectiles of various descrip¬ 
tions tested against, 57, 208 
y. 
Various forms and qualities of metal, projec¬ 
tiles of, 43 
Yillani, Giovanni, extracts from chronicles of, 
298 
W. 
Wade, Mr, manufactory of gun-cotton, at West 
Ham, explosion at, 77 
Wall piece, experiment from a, 206 
Warning to Commander Lescale, by hermit 
of Mont Tombelaine, 12 
Warrant for pensions to widows of officers, 
R.A., 269 
--, abolition of, for N.C. officers and 
privates, R.A., 265 
-, for filling up vacancies of matrosses, 
263 
-, for full pay retirement, ib. 
-, rank of Captain-lieutenants, 270 
“ Warrior,” armour-plated ship, dimensions, 
tonnage, and horse power of, 417 
-, cost of hull and fittings, ib. 
-target, 57, 63, 176, 418 
-~, comparative trial of cast-iron and 
steel shot against, 207 
--—.—, effect of steel shell weighing 612 lbs. 
against, 219 
— -homogeneous metal shot, fired from 
Whitworth’s 120-pr. M.L. rifled gun 
against, 206 
— -, section shewing the construction 
of, 418 
Weight and velocity of shot, with equal vis 
viva, effect of, 43 
Weight of different natures of soil, taken from 
the parapets at Newhaven, 170 
“ Weirdie Mure,” 27 
“ Whitehead,” extract from report of officer 
commanding the, 437 
Whitely, Mr H., a few hints upon collecting 
objects of Natural History, 191 
Whittington, Lord Mayor of London, Robert 
Fabyan’s glimpse of, 11 
Whitworth’s 12 lb. steel shot, trial of, 43 
-projectiles, at sloping plates, 42 
-, M. Xavier Raymond on, 217 
-70-pr., penetration of, 55 
-hardened wrought-iron shot, 204 
—-- 7" R. gun, against Capt. Inglis’s 
second shield, 47; accumulated work of, ib. 
- 120-pr. M.L. rifled gun, homo¬ 
geneous metal shot fired from, at “War¬ 
rior ” target, 206 
Wilson’s, “Memorials of Edingburgh in the 
olden time,” legend of “ Mons Meg” 
in, 25 
Wood backing, advantage of, 422 
“Wood screws,” 177, 430 
Wooden cannon, Petrarch on, 296 
-carriages, on the duration of, in a hot 
climate, 221 
“Work done,” comparison of, by round-ended 
and flat-ended shot, 213 
Wrought-iron and cast-iron shot, report on, 
204 
. — - bar-and-hoop guns, recovered 
from the wreck of the “ Mary Rose,” sunk 
at Spithead in 1545, 25 
. . ■ and steel, conclusions from the 
results of experiments on, 140 
-, definition of, 198 
-——, breaking strain per square inch 
of, 145 
- ~ - guns left by English at Mont 
S. Michel, 17 
. ., working strain of, 145 
Z. 
Ziska, the Hussite chief, 288 
