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Apparatus for Utilizing the Waste Gases from Blast Furnaces - pp49 - 51
doi:10.1038/scientificamerican01261861-49
Misapprehensions among Inventors — Patents North and South — Suggestions to Mechanics - p51
doi:10.1038/scientificamerican01261861-51
Electricity and Some of its Practical Applications - p53
doi:10.1038/scientificamerican01261861-53
Newton's Improvement in Pressure Gages - pp53 - 54
doi:10.1038/scientificamerican01261861-53b
Johnson's Pumps for Compressing Elastic Fluids - p54
doi:10.1038/scientificamerican01261861-54
The Polytechnic Association of the American Institute - pp60 - 61
doi:10.1038/scientificamerican01261861-60
