U. S. Weather Bureau Office, 532 North Howard Street, Baltimore. In: Outline of the Present Knowledge of Meteorology and Climatology of Maryland by F. J. Walz. In: Maryland Weather Service, Johns Hopkins Press, Baltimore, 1899. Volume II. Page 300.
Photo Category: Instruments
Photo Date: 1899 Ca.
| Added On | 19th October 2015 |
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