PRELIMINARY DISCOURSE
on the Study of
NATURAL PHILOSOPHY
JOHN FREDERICK WILLIAM HERSCHEL, ESQ. A. M.
Late Fellow of St John's College, Cambridge &c. &c. &c.
H. Corbould del. | E. Finden ſculp. |
NATURÆ MINISTER ET INTERPRES.
London:
PRINTED FOR LONGMAN, REES, ORME, BROWN & GREEN: PATERNOSTER ROW;
AND JOHN TAYLOR, UPPER GOWER STREET
1830.