The use of this device, by saving time
in stoppages, permits a more moderate
average of speed, aud so results iu econ
omy. Tttliiiq Tin Platen for Lead. Fordas
recently communicated to the French
Academy of Sciences the following
simple method of determining the
presence of lead in tin vessels employ
ed for packing articles of food. The
metal to he tested is first touched with
nitric acid, and then heated, when the
acid evaiKirate. If lead le contained,
stannic acid and nitrate of lead remain.
Iodide of potassium is then applied,
farming yellow iodide of lead ; while
the stannic acid is white. The yellow
stain, therefore, indicates lead, the
white, tin.
White lead rubbed np with linseed oil
to the consistence of paste is an excel
lent application for burns.
rra pipes for m-ater eonreyance are
said to destroy all organic impurities in
the mater w h'ich passes through them.
E'tnrid butter, pork, and lard casks
may be purified bv burning straw or
shavings in thenu
To Pemore Stiwi. In many cases in
stantaneous relief from the pain can be
obtained by pressing npon the place
containing the sting with the tube of a
small key. I his extracts the sting, and
then a drop of aqua ammonia mill
neutralize the acidity of the poison.
and allay the smart of the wound. A
little bit ot saleratns moistened and
laid over the affected ftart will also
heal it.
P.realfaxt 1'uffn. Take two eggs well
eaten, and stir into a unit ot milk a
little salt, a piece of butter, aud a Pint
and a half of Hour. Beat the eggs and
stir in the milk, add the salt, melt the
butter, and stir in, then pour all into
he flour, so as not to have it lumpy.
