Sends JH a pamphlet about meteorological observations in India.
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Sends JH a pamphlet about meteorological observations in India.
Writes about HP's observations relating to the 'Law of Storms.'
Is sending JH some powder that HP thinks might be a good compound for polishing telescope specula.
Uses the barometer for measuring both vertical and horizontal distances, and believes the rotation of cyclones may be connected to the sunspot activity.
A note accompanying another of HP's meteorological publications.
Sends JH some publications, including one that tends to show that cyclones are electrical phenomena.
A note accompanying another publication on turbulent winds.
Of the general ignorance of meteorological matters, especially among sailors; wider distribution of HP's works would help, but HP is too poor to do that.
Note accompanying more meteorological writings.
A note accompanying additional writings on the behavior of hurricanes.