Tables for obtaining the temperature of the dew-point, relative humidity, and vapor pressure.
Prepared for use in the United States signal service.

APA Citation

United States. Army. Signal Corps. (1889). Tables for obtaining the temperature of the dew-point, relative humidity, and vapor pressure. Washington City: Signal Office.

MLA Citation

United States. Army. Signal Corps. Tables for Obtaining the Temperature of the Dew-point, Relative Humidity, And Vapor Pressure. Washington City: Signal Office, 1889.

Warning: These citations may not always be complete (especially for serials).