166— Hall on the Staining of Wood, and 
ment, (the description of which is annexed,) will please 
to write to me at the City of Washington in the District of 
Columbia, where myself or an agent will at all times attend 
promptly to the business. - ; 
Patek ITHIEL TOWN. 
Art. XXII.—On the Staining of Wood, and on Medical 
Electricity ; by Joun Hari, Esq. of Ellington, Conn. 
Communicated in a letter to the Editor, dated May 30th, 
Dear Sir, 
Wuen I closed the letter which accompanies this, I for- 
got to mention a stain, as cabinet-makers would call it, for 
some sorts of wood used in the making of cabinet furniture. 
This stain consists simply of a decoction of walnut or 
hickory. bark, with a small quantity of alum dissolved in it, 
in order to give permanency to the color. Wood, of a white 
color, receives from the application of this liquor, a beauti- 
ful yellow tinge, very little liable to fade. Indeed, so far as 
I have ascertained the fact by several experiments, the color 
does not appear to fade at all; and I have good reason to 
think that it will abide until it is worn off. So far as I have 
tried the experiment, the color retains its proper state, when 
not defended at ail from the action of the light and the air ; 
ture stained in this manner, which has stood exposed to the 
—— of 2 window fifteen months, and the color appears 
oe ¥ “ a any change has taken place, even brighter 
_ This stain is particularly adapted to several kinds of fur 
eye, it gives the finest appearance of any. This spe- 
cies Of wood is commonly prepared, by cabinet-makers, by 
scorching its surface over a quick fire, which does not, at 
