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Dauenport's Electro Magnetic Machines.--
Important Experiment. . Yesterday two ma
chimes, now being constructed by Davenport and
Cook, were put in motion in the presence Of Sc
vera editors, and twenty thirty other citizens,
and although both machines are incomplete, the
experiment was highly satisfactory to the spec
tators, clearly demonstrating that the power Of
Electro-Magnetism may, by machinery, be null
hplied to an indefinite extent. One of these ma
chimes, with 46s small magnets, weighing FIVE
pounds each, will be equal to a two-horse power,
and the other, with l6 large magnets, weighing
SO pounds each, is calculated for one-horse
power. Only about one-third Of the magnets
were used in the experiment yesterday. In the
course of week or two one of these machines,
we understand, will be applied to Napier print
ing press, when we shall endeavor to give de-
tailed description Of the engine, and apparatus.


Wecongrathlate Mr.. Davenport on the evidence
he has given that he is SO far ahead of all experi-
menters in Electro Magnetism in Europe or Ame-
RIGA, and we trust that he may meet with the en-
couragement which is SO justly his due.-N. r.
Star.