, and appeared to be satisfactory, considering
the conditions under which the installation was made. This experiment was
at all events of such a nature as to indicate the use of these machines in
cases where the arrangement of the locality absolutely necessitates a
transmission of power.
The first workmen reached Portao de Ferro December 15, 1882, and the
material shipped from France did not arrive until April 25, 1883.
Operations were suspended about the 25th of September, since, for a
fortnight already, there had no longer been any doubt as to the manner in
which the river bed had been cleaned by former operators.
As a result of this first experiment, the proof remained that it would be
easy in future exploitations to introduce into the country methods of work
that are quicker and more economical than those now in use. In fact, all
the operations were performed with natives of the country, with the
exception of a carpenter and blacksmith from Rio Janeiro.--_La Nature._
* * * * *
WHAT WE REALLY KNOW ABOUT ASIATIC CHOLERA.
NEW YORK, September 1, 1884.
_To the Editor of the New York Medical Journal_:
SIR: I have been exceedingly interested in Dr.
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