Magnetical and Meteorological Observatory (Toronto, Ont.)

• Abstracts and results of magnetical & meteorological observations at the Magnetic Observatory, Toronto, Canada
• Abstracts and results of magnetical and meteorological observations
• Abstracts of Magnetical Observations Made at the Magnetical Observatory, Toronto, Canada West ...
• Abstracts of meteorological observations made at the Magnetical Observatory, Toronto, Canada West
• Abstracts of meteorological observations made at the Magnetical Observatory, Toronto, Canada West during the years 1854 to 1859 inclusive
• Results of meteorological observations made at the Magnetical Observatory, Toronto, Canada West
• Results of Meteorological Observations Made at the Magnetical Observatory, Toronto, Canada West ...
• Results of meteorological observations made at the Magnetical Observatory, Toronto, Canada West during the years 1860, 1861 & 1862
• Abstracts and results of magnetic & meteorological observations, at the Magnetic observatory, Toronto, Canada, from 1841 to 1871 inclusive
• Abstracts and results of magnetical & meteorological observations at the Magnetic Observatory, Toronto, Canada
• Abstracts of Meteorological Observations Made at the Magnetical Observatory, Toronto, Canada ..