Page 665 - 89 history of astronomy_opt

Introduction.)

[22] R. S. Phil. Trans. , 1850, p. 499 et
seq.
[23] Ibid , vol. cliv., p. 437.
[24] Brit. Assoc. Rep. , 1868, p. 165.
INDEX
Abul Wefa, 24 Acceleration of moon’s
mean motion, 60 Achromatic lens invented,
665