386 Brandy from Potatoes. i 
Juation of the oxy-muriate of lime. The following results, 
obtained with several samples, show the great value of this 
method—exhibiting the quantity of oxy-muriate of lime used 
to destroy its colour. 
Precipitated and sublimed sient = = 440 grains, i 
Flora indigo, ae - - 70 ; 
nother sample, - - . - 70 i 
Two other indigos, - - - - 60 
wo other samples, - - - : 50 
Another sample, - - Poh - GO 5. 3 258 
Aucthersample; = =): =) <= > = 30. or 3B, 
» Mr. Dalton is of opinion that to destroy indigo by oxy- 
muriatic acid, twice the quantity of oxigen is necessary 
that is required to revive it from the lime solution.—Abridg- 
o _— Manchester Memoirs, New Series, Vol. LV. pp.437— 
24, Bois de Colophenere Du the woods of Mauritius there 
is a tree called the Bois de Colophane, and supposed to be 
Bursera. From the slightest wound in the. bark of this tree, 
there issues a copious limpid oil, of a pungent turpentine 
1 th soon congeals to the consistence of butter, as- 
sumin olour of camphor. Like camphor also, it burns 
with avivid flame, and leaves no residuum. 
5. Svemen’: - axe on the process of making pions F z 
— potatoes-—The potatoes are put into a close wooden — 
vessel, and exposed to the action of steam, which heats them 
more than boiling water. They can thus be reduced toa 
state of the finest paste with the greatest. facility, it being 
necessary only stir them with an iron instrament furnished 
with cross pieces. Boiling water is then added to’ “the. paste, 
and afterwards a little potash, rendered caustic by quick li 
This dissolves A vegetable albumen, which 
complete conversion of the potatoe starch into a f Pro- 
fessor Oersted frees the potatoe brandy from its peculiar fla- 
vour by means of the chlorate of potash, pac is said to 
make it nau to the best br andy made from 
Gill’s Tech. Repos. No. 39, p. 322. 
=f 
