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ELEcTRo-M -MAGsE1Ic LocoMoTIvE.-Under the
patronage of the Directors of the Edinburgh and
Glasgow Railway Company, Mr.. Davidson PhiIo-
,ophcal instrument maker, has been employed IN
series of extensive experiments as 10 the practl-
cablity Of applying clectro-magnetis'n for ProPei-
ing trains along the line Of railway. The exper-
inents having succeeded so far, machine contain
ing six powerful batteries, huge magnetic coils,
and three large magnets fastened on three revolv-
ing cylinders, through which pass the axis of the
dtiving wheels, has been constructed; and on Sat
urday last its motive capabilities were tested ia
one of the carriage sheds belonging to the Railway
Company, in presence of several OF the Directors


The ponderous machine, weighing between tlve
aud six tons, was instantly set in motion on the
immersion of the metallic plates into the troushs
containing solution of sulphuric acid. One Gu
rious phenomenon connected with the motion OF
dis new and ingenious instrument was the extent
and brilliancy Of the repeated electric flashes
which accompanied the action OF the machinery
The motion produced, although not rapid, was
such as clearly to establish the principle that this
4gent is adapted to the purpose of locomotlon ;
and it is only justice the inventor to add, that
he expressed himself saaguine as to his being able
II obvia,e many of the difficulties which yet stand
in the way Of its being adopted in lieu of the steam
Locomotives now in Ali present expressed
themselves satisfied with the results OF this, the
first experiment on the subject on large scale.


Edinburgh Witness