Table of contents
July 24, 1869, Volume 21 No 4 pp49-62
About the coverBusiness and Personal
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Top of pageArticles
The Darien Automatic Ventilator, The Use of Diamonds in the Mechanic Arts - pp49 - 50
doi:10.1038/scientificamerican07241869-49
On the Flow of Elastic Fluids through Orifices or Pipes - p50
doi:10.1038/scientificamerican07241869-50
Overshot Wheels - pp50 - 51
Joseph Glynn, F.R.S.
doi:10.1038/scientificamerican07241869-50a
“Church of the Good Shepherd” Armsmear, Conn. A Beautiful Monument - pp52 - 53
doi:10.1038/scientificamerican07241869-52
The Simultaneous Transmission of Messages over a Single Wire in Opposite Directions - p53
doi:10.1038/scientificamerican07241869-53
Artificial Production of the Coloring Matter of Madder - pp54 - 55
Reimann
doi:10.1038/scientificamerican07241869-54
Improvement in Ventilators for Buildings and Railroad Cars - p56
doi:10.1038/scientificamerican07241869-56a
Cutting Glass with Steel—The Magic Diamond - p56
doi:10.1038/scientificamerican07241869-56b
The Elasticity, Extensibility, and Tensile Strength of Iron and Steel - pp58 - 59
doi:10.1038/scientificamerican07241869-58a
Manufacturing, Mining, and Railroad Items - p60
doi:10.1038/scientificamerican07241869-60a
Recent American and Foreign Patents - pp60 - 61
doi:10.1038/scientificamerican07241869-60c
