Note 14 — III. Methods of Improving Faulty Acoustics.
Reading edition
Joseph Henry, “Report of the Lighthouse Board of the United States for the year 1874.”
J. Tyndall, Phil. Trans., 1874.
Reading edition
Joseph Henry, “Report of the Lighthouse Board of the United States for the year 1874.”
J. Tyndall, Phil. Trans., 1874.