IRO 
Iron, experiments on two varieties 
made from the magnetic ores of 
Essex Co., N. Y., W. R. Johnson, 
xxxvi, 94.f 
» manufacture of, by use of an- 
thracite, xxxill, 266. 
» ——, with the hot blast, xxix, 
356. ‘ 
é , with the hot blast, 7. 
Clark, xxxi, 180. 
; , by the hot and cold 
blast, comparative strength of, 
Fairburn, xxxiii, 292. 
5 , ibid, comparative com- 
position of, T. Thomson, xxxiv, 
21. 
- , gas obtained by water 
applied in, J. S. Dawes, xxxv, 
303. 
, oxides of, separation of, J. 
Liebig, xxiii, 379. 
——, , effect of, on soil, xli, 
159. 
for railways, D. Mushet, 
xxxiv, 15. 
, Separation of, from manga- 
nese, xill, 173. 
, method of silvering, xxx, 169. 
, on the different states of, xiii, 
159. 
, State of, in soils, R. Phillips, 
Jr., xlix, 394. 
, use of, for stereotyping, 
192. 
——, sulphur in bar, xxviii, 71. 
, sulphuret of, formation of, 
xxxl, 74. 
boat, ili, 371. 
bridge in Prussia, xii, 197. 
cement, xxx, 171. 
conduit pipes, vi, 173. 
furnaces, number in England 
and Scotland, xvi, 395. 
mountain of Missouri, iii, 63. 
XXVI, 
58. 
spikes, experiments on the ad- 
hesion of, W. R. Johnson, xxxii, 
34.f 
trade of Great Britain, amount 
of, xx, 176. 
131 
IR O 
Iron trade of Wales, xx, 182. 
works of Sweden, amount of 
exports from, in 1828, xviii, 173. 
of Glasgow, xli, 48. 
of Russia, im prove meu 
in, xxx, 181. 
of McIntyre, Basen Co., 
N. Y., W. C. Redfield, xxxiii, 
303. 
, Statistics of, in the U. 
States, xxi, 179. 
, in Connecticut, 
OR MOE Shepard, Xxxiil, 157. 
; ,in Maryland, 
(1834,) xxvii, 15. 
——, meteoric, see Meteoric. 
, Native, see Meteoric. 
from Bedford Co., Pa., sup- 
posed native, chemical examina- 
tion of, xiv, 183. 
ores, reduction of, W. W. 
Mather, xxi, 212. 
s , in Connecticut, 
ii, 207. 
Localities. 
Iron ores, in Greece, xxxii, 1'75. 
in Canada, viii, '75, 76. 
in Nova Scotia, xv, 157, 
159, 201, 210, 213. 
in United States. 
se 
ibid, J. T. Hodge, xliii, 
, in New England, west- 
ern, vill, 30. 
5 , in Maine, C. T. 
Jackson, xxxvi, 147, 150. 
5 , in New Hamp- 
shire, at Franconia, viii, 180. 
5 , ibid, C. U. Shep- 
ard, xviii, 134, 289. 
: ,» in Massachu- 
setts, southern, and northern Con- 
necticut, (bog) x, 14. 
i , ibid, notice of 
some, xxxvi, 378. 
, general account 
of, E. Haneneoers xxii, 50. 
—, , ibid, of Hawley, 
vi, 208. 
- , Ibid, of Kent, 
Richmond, &c., v, 20. 
: , of New Brain- 
tree, vi, 209. 
