Note 19 — Self-Registering Systems
Reading edition
C. Abbe, "The Meteorological Work of the U.S. Signal Service, 1870 to 1871," in Fassig, op. cit. (footnote 12), pt. 2, 1895, p. 263.
Reading edition
C. Abbe, "The Meteorological Work of the U.S. Signal Service, 1870 to 1871," in Fassig, op. cit. (footnote 12), pt. 2, 1895, p. 263.