Impure spirits of 40° Gay-Lussac, and not water, should be used as a menstruum for the salt of copper.

It is by the power of friction; that is to say, the two wheels, or paddles turning diametrically, or at the same moment, on their axioms, and repressing by the rotundity of their motion the action of the menstruum in which the machine floats,water being, in a philosophical sense, a powerful non-conductor,it is clear, that in proportion as is the revulsion so is the progression; and as is the centrifugal force, so is the.

The magnificent constituency of mediocrities of which the world is made up,the people without biographies, whose lives have made a clear solution in the fluid menstruum of time, instead of being precipitated in the opaque sediment of history