APPENDIX.
I. CHIEF DATES IN HERSCHEL'S LIFE.
Born at Hanover, 15th November, 1738.
Settled in England, 1757.
Appointed organist of Octagon Chapel in Bath, 1766.
First recorded astronomical observation, 19th February, 1766.
Began to construct telescopes, 1773.
First recorded telescopic observation, 1st March, 1774.
Discovery of Uranus, 13th March, 1781.
Elected Fellow of the Royal Society, December, 1781.
Appointed as King's Astronomer, 1782.
Discovery of Proper Motion of Solar System, 1783.
First paper on the Construction of the Heavens, 1784.
Disc-theory of the Universe propounded, 1785.
Marriage, 8th May, 1788.
Investigation of nebulous stars, 1791.
Discovery of revolving double stars, 1802.
Abandonment of disc-theory and enunciation of nebular hypothesis, 1811.
Last paper published, 1821.
Died at Slough, 25th August 1822.
II. BIBLIOGRAPHY.
The following works may be recommended for those who desire a closer acquaintance with Herschel's life and work:—
(i) Standard sources of information.
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