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A tracing up of the so-called "six current electro-magnetic machines," and a setting forth of the superior advantages of Dr. S.B. Smith's direct and to-and -fro current electro-magnetic machines over all others in the world ..

A tracing up of the so-called "six current electro-magnetic machines," and a setting forth of the superior advantages of Dr. S.B. Smith's direct and to-and -fro current electro-magnetic machines over all others in the world ...

By Smith, Samuel B. Dr.

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Publish Date

1863

Publisher

T.R. Dawley, printer

Language

eng

Pages

-

1-1 of 1 Editions

A tracing up of the so-called "six current electro-magnetic machines," and a setting forth of the superior advantages of Dr. S.B. Smith's direct and to-and -fro current electro-magnetic machines over all others in the world ...

View A tracing up of the so-called "six current electro-magnetic machines," and a setting forth of the superior advantages of Dr. S.B. Smith's direct and to-and -fro current electro-magnetic machines over all others in the world ...