On the Salt Springs at Salina, Syracuse, &c. 9 
ments, have be 
erected for the making of salt, and now principally used, are 
Works. 
arches at one end, and a flue or chimney, common to both, 
at the other end of the block. The fuel is exclusively wood, 
of the kinds most common in the forests of this part of the 
country, such as beach, ma le, elm, hemlock, bass wocd, 
&c. of which the prices, for the last six years, have been from 
seventy-five cents to one dollar and fifty cents per cord, de- 
livered at the works. 
In the boiling down of the water to saturation, a portion 
of the impurities, on ee and carbonate of lime stained with 
iron, is deposited in ladles and taken out, and the vaporiza- 
tion of the brine is continued until but a small quantity re- 
mains; when the salt which has been made, and which is, even 
at first, beautifully white and of fine grain, is taken out into 
baskets, drained, and removed; and the kettles are again 
filled with salt water, and the operation repeated. 
surface of the kettles soon becomes firmly incrusted with a 
compound of the earthy substances and salt, which require 
frequent removal to prevent injury from overheating and 
cracking the metal. 
Next in extent, or more properly in production, are the 
erections adjoining the Erie jn for evaporation by solar 
heat : they are vats of wood, resting horizontally upon a great 
number of small driven into the ground, according to 
the inequalities of the surface over which they are built, touch- 
ing it in some places, and at a height of ten feet in others ; 
but the most convenient height is between eighteen and 
thirty-six inches from the ground. Their width is eighteen 
and a half feet, depth from six to fifteen inches, and ngth © 
from eighty to six hundred and forty feet; and 
roofs in divisions of sixteen feet each, sustained by rollers — 
which travel “ level supporters, and are moved on and off © 
‘ o. 1. 2 
Vou. XV.— 
