Psychrometrical table
Subtitle: for determining the elastic force of aqueous vapor and the relative humidity of the atmosphere from indications of the the wet and dry-bulb thermometer Fahrenheit
By: by James H. Coffin.
Publisher: Smithsonian Institution
Published: 1856
Place of publication: Washington
Language: eng
Number of pages: 23
Subjects: Hygrometry
Notes: With:  General instructions for making the meteorological observations at the senior county grammar schools in Upper Canada / prepared ... by the director of the Magnetical Observatory, Toronto. Toronto : Lovell & Gibson, 1857.