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Browse All : Images by Walker, Francis Amasa, 1840-1897 and United States. Army. Signal Service
1-3 of 3
Author
[United States. Army. Signal Service, United States. Census Office]
Full Title
U.S. Signal Service chart showing the frequency of storm centres. Number of storm centres passing over each point deduced from the average of the two years March 1871 to February 1873 inclusive. Compiled from data collected at the Office of the Chief Signal Officer of the Army. (Julius Bien, Lith., 1874)
List No
3566.004
Note
Lithographed map. Data shown only for area east of 100th meridian.
Author
[United States. Army. Signal Service, United States. Census Office]
Full Title
U.S. Signal Service chart showing the mean temperature. At 4.35 P.M. of the hottest week of 1872, in red, and at 7.35 A.M. of the coldest week of 1872 and 1873, in blue. Compiled from data collected at the Office of the Chief Signal Officer of the Army. (Julius Bien, Lith., 1874)
List No
3566.006
Note
Colored lithographed map.
Author
[United States. Army. Signal Service, United States. Census Office]
Full Title
U.S. Signal Service chart, showing annual means of barometer and total movement of air with resultants from June 1872 to May 1873 inclusive. Compiled from data collected at the Office of the Chief Signal Officer of the Army. (Julius Bien, Lith., 1874)
List No
3566.007
Note
Colored lithographed map.
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