abrupt standstill runaway horses, harnessed to vehicles; but knowing
the effect of a sudden stoppage under such circumstances, we believe
that the remedy would prove worse than the disease, since the coachman
and vehicle, in obedience to the laws of inertia, would continue their
motion and pass over the animals, much to their detriment.--_Science
et Nature._

* * * * *




ESTEVE'S AUTOMATIC PILE.


Mr. Esteve has recently devised a generator of electricity which he
claims to be energetic, constant, and always ready to operate. The
apparatus is designed for the production of light and for actuating
electric motors, large induction bobbins, etc.

We give a description of it herewith from data communicated by its
inventor.

The accompanying cut represents a battery of 6 elements, with a
reservoir, R, for the liquid, provided at its lower part with a cock
for allowing the liquid to enter the pile. The vessels of the
different elements are of rectangular form. At the upper part, and in
the wider surfaces of each, there are two tubes. The first tube of the
first vessel receives the extremity of a safety-tube, A, whose other
extremity enters the upper part of the reservoir, R. This tube is