18780406 Scientific American April 6, 1878

Description

This is an EXACT copy of the issue that was published on April 6, 1878.  This is a REPRINT not an original.  These papers are excellent sources on information on what the people of the time were interested.  The Political and Social articles and the Advertisements tell the tale of the time.
This particular issue has articles about:
The Canyons of Colorado
The Black Hills
Pencil Sketches:
48 detailed Sketches of the Grand Canyons and the Black Hills
Bulk Sales available at much lower rates