Physics.
Enfield, W. Institutes of natural philosophy. (Continued, 2). Practical astronomy. By Samuel Webber. 2d American edition. Boston: Thomas and Andrews. 1811. xvi, 428 pp. 15 plates. 4°. 5960a.1
Same. 4th Amer. ed. Boston: Cummings, H. & co. 1824. xxvii, 297 pp. 16 folded plates. 40, *4283..2
eel