Part 54

Leibnitz, Gottfried, 24, 29, 85, 99, 109, 120

Lenkurt Electric Co., Inc., 190

LGP-30 computer, 198

Library, use of computers, 231

Limitations of computers, 89

Lincoln Laboratory, 124

Lindgren, Astrid, 3

Literature, computers in, 30

Litton Industries, 128

Livanov, M., 133

Lockheed Aircraft Corp., 185, 248

Logarithms, 30

Logic, 38, 90, 108, 229 Aristotelian, 109 Farnsworth problem, 116, 118 mathematical, 110 symbolic, 38, 109, 110, 115, 248, 255 unit, 60

Logical algebra, 40, 108 piano, 40

Loom, Jacquard, 34

Loy, W. D., 23

Luhn, H. P., 247

Lull, Ramon, 27, 28, 122

Lull’s wheel, 28

Machine Design, 180

Machine shop, use of computers, 209

Machine Translations, Inc., 239

MAD, computer language, 220

Maelzel chess automaton, 35

Magic squares, 142

Magnetic cores, 64

Magnetic disc, 63

Magnetic drum, 63