Abstract
Journal of the Franklin Institute, April.—The wearing power of steel rails in relation to their chemical composition and physical properties (continued), by Dr. Dudley.—Experiments on the strength and stiffness of small spruce beams, by Mr. Kidder.—Observations on the water-supply of Philadelphia, by Mr. Haines.—A fourth state of matter, by Mr. Outertridge, jun.—The moon of Earth and Jupiter, by Dr. Chase.
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Scientific Serials . Nature 24, 94–95 (1881). https://doi.org/10.1038/024094a0
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DOI: https://doi.org/10.1038/024094a0