Page 680 - 89 history of astronomy_opt
P. 680
Parmenides, 14 Paul III., 30 Paul V., 48
Pemberton, 51 Peters, C.A.F., 125, 128, 135
Photography, 99 Piazzi, G., 67, 128, 129,
139 Picard, 54, 77, 114 Pickering, E.C., 118,
˜
135 PingrA, 13, 122 Plana, 65 Planets and
satellites, physical observations, 109-119 Plato,
17, 23, 26, 40 Poisson, 65 Pond, J., 80 Pons,
122 Porta, B., 86 Pound, 87, 114 Ponte-
coulant, 64 Precession of the equinoxes, 19-
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