Edison's magnetic bridge...

Item # 631516

September 10, 1887

SCIENTIFIC AMERICAN, New York, September 10, 1887 The front page of the issue has "The Barrett System of Lighting Railroad Cars by Electricity" with an accompanying article. Inside the issue is: "Simple Method of Engraving Glass and Metals"; "The Yacht Thistle"; "Edison's Magnetic Bridge"; and more articles, illustrations and advertisements.
Complete in sixteen pages, unbound, in nice condition.