ILLUSTRATED BY EIGHTY-ONE WOOD ENGRAVINGS.

BY ALFRED VAIL,

ASSISTANT SUPERINTENDENT OF ELEC. MAG. TEL. FOR THE U. S.

CANST THOU SEND LIGHTNINGS, THAT THEY MAY GO,

AND SAY UNTO THEE, HERE WE ARE?—JOB.

“The same principle which justified and demanded the

transference of the mail on many chief routes, from the

horse-drawn coach on common highways to steam-impelled

vehicles on land and water, is equally potent to warrant

the calling of the electro magnetic telegraph—that last

and most wondrous birth of this wonder-teeming age—in aid

of the post office, in discharge of its great function of

rapidly transmitting correspondence and intelligence.”

REP. OF COM. OF WAYS AND MEANS OF H. R., 1845.

PHILADELPHIA:

LEA & BLANCHARD.

1845.

ENTERED, according to Act of Congress, in the year 1845,

By ALFRED VAIL,

In the Clerk’s Office of the District Court of the United States,

in and for the District of Columbia.

The American Electro Magnetic Telegraph With the Reports of Congress, and a Description of All Telegraphs Known, Employing Electricity or Galvanism · 第 1 / 24 题