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65 Leonardo da Vinci, 46 Lewis, G.C., 17 Le
Verrier, U.J.J., 65, 68, 70, 71,72, 110, 118,
125 Lexell, 66, 123 Light year, 128 Lipper-
hey, H., 86 Littrow, 121 Lockyer, J.N., 103,
105, 146 Logarithms invented, 50 Loewy, 2,
100 Long inequality of Jupiter and Saturn,
50, 62 Lowell, P., 111, 112, 118 Lubienietz,
S. de, 122 Luther, M., 38 Lunar theory, 37,
50, 56, 64
677