Volume Information
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Stated Meeting, August 16, 1878
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Stated Meeting, September 20, 1878
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Stated Meeting, October 4, 1878
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Oil Well Records in McKean and Elk Counties, Pennsylvania
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Nature's Reforesting
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Contributions from the University of Pa., No. XV. Preliminary Notice on Chromometry, a New Branch of Quantitative Analysis with the Blowpipe
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Crucial Harmonies
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Stated Meeting, October 18, 1878
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The Limiting Constant of Gravitation
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Stated Meeting, November 1, 1878
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Contributions from the Laboratory of the University of Pennsylvania, No. XVI.-On the Electrolytic Estimation of Cadmium
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On the Scales of Maps
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Circumstances Influencing the Efficiency of Dynamo-Electric Machines
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Stated Meeting, Nov. 15, 1878
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Descriptive List of Medals Struck to Commemorate the Battle of Waterloo
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Stated Meeting, December 6, 1878
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Stated Meeting, December 20, 1878
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Movements of Troops in Cities in Cases of Riot or Insurrection
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Contribution to the Lithology of Pennsylvania. On the Physical and Chemical Characteristics of a Trap Occurring at Williamson's Point
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On the Total Solar Eclipse of July 29th, 1878
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Notes on a Series of Analyses of the Dolomitic Limestone Rocks of Cumberland County, Pa., Made by Messrs. Hartshorne and Hartranft in the Laboratory of the Second Geological Survey of Pennsylvania
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Errata
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