Table of contents
April 2, 1881, Volume 44 No 14 pp208-219
About the coverNotes and Queries
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Index
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Comparative Experiments Made with Naked and Metallized Carbons - p210
E. Reynier
doi:10.1038/scientificamerican04021881-210
Tyndall's Experiment on Radiant Heat - p210
Geo. M. Hopkins
doi:10.1038/scientificamerican04021881-210a
Electrical Fire Indicator of M. G. Dupre - p210
doi:10.1038/scientificamerican04021881-210b
Improvement in Telephone and Telegraph Lines - p213
doi:10.1038/scientificamerican04021881-213c