Hubbard, Gardiner G. (Gardiner Greene), 1822-1897. The proposed changes in the telegraphic system. / By Gardiner G. Hubbard. Reprinted from the North American review, July, 1873.

Hubbard, Gardiner G. (Gardiner Greene), 1822-1897.

The proposed changes in the telegraphic system. / By Gardiner G. Hubbard. Reprinted from the North American review, July, 1873.

Boston: : James R. Osgood and Company, late Ticknor & Fields, and Fields, Osgood, & Co., 1873.

"University Press: Welch, Bigelow, & Co., Cambridge."--t.p. verso.

Last two pages blank.

Library Company copy disbound.

Telegraph -- United States.

Imprint MASS. Boston. 1873.

Imprint MASS. Cambridge. 1873.

Printer James R. Osgood and Company, publisher.

Printer University Press (Cambridge, Mass.), printer.

Printer Welch, Bigelow & Co., printer.

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