—, prevention of, from rusting, vi, 398; xxi, 150; xxii, 382; xxiii, 199, 383.

—, silicium in, iv, 376.

—, tempered, action on, of soft iron in motion, ix, 324; x, 127, 397.

—, blistered, xv, 374.

— blades, P. Bradier's, vi, 395.

— plate, menstruum for biting-in on, x, 194.

— plates, colored, xvii, 376.

Stein, W., on lithia in a blowpipe test, xlviii, 193.

Steinhauer, H., remarks on trap, ii, 232.

Steinheilite, iv, 377.