Firebricks, made at Bennington, Vt., for the iron furnace, xxxii, 195; xxxiii, 202.
Fire damp, chemical examination of, E. Turner, xxxvii, 201.
Firemen, preservation of, against fire by asbestos, xviii, 177; xx, 96.f
Firestones, used in glass manufactories, notice of, x, 19.
—, localities of, in the U. States, x, 20.
—, —, in Rhode Island, viii, 232; x, 20; xl, 184.
[Fish,] double, S. Churchill, xxvi, 116.f
— of Hudson river, xx, 150.
—, Chinese method of hatching, viii, 381.
—, preserved by sugar, viii, 391.