SCIENTIFIC AMERICAN, New York, March 22, 1890

The ftpg. has four illustrations of: "The Harlem River Ship Canal", the largest of which shows a "General view of the rock excavation and future course of the canal." A related report is on an inside page and contains a small illustration.
Additional unrelated reports include: "Smokeless Gunpowder", "An Improved Sensitive Drill", "Bending and Embossing Sheet Metal", and more.
This issue is complete in 16 pages, has small binding holes along the left spine, a few small stains on the cover which only impact the caption, and is otherwise in good condition.