Table of contents
July 6, 1878, Volume 39 No 1 pp1-12
About the coverNotes and Queries
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Top of pageArticles
Electrical Indicator for Showing the Rotation of the Earth - pp1 - 5
George M. Hopkins
doi:10.1038/scientificamerican07061878-1
Scientific American export Edition for June - p3
doi:10.1038/scientificamerican07061878-3b
Horizontal Condensing Engine at the Paris Exhibition - p4
doi:10.1038/scientificamerican07061878-4