SCIENTIFIC AMERICAN, New York, October 20, 1877  The front cover continues a halfpage illustration "Fireless Locomotive For Street Railways" which has an accompanying article. Inside the issue is: "The Baromotor"; "Root's Blower for Mine Ventilation"; "Automatic Fire Extinguisher"; "Small Geared Locomotives"; and more illustrations, articles and advertisements.
This is complete in 16 pages with an irregular left spine, a small library stamp in the dateline, otherwise is in good condition.