Part 59

Pierce, John R., 147, 197

Pitt, William, 39

Plato, 25, 30

PLATO computer system, 25, 226

Player-piano, 54, 68

“Plot Genii,” 29

Plotto, 29

Pneumatic buffering, 69

Pneumatic capacitor, 69

Pneumatic computer, 54, 68, 69

Pneumatic diode, 69

Pneumatic flip-flop, 69

Pneumatic inductor, 69

Poetry computer, 144

Polaris missile, 4, 162, 168

Polymorphic data-processing, 264

Post office, 55, 149, 225

Potentiometers, 76

Predictive analysis, 238

Predictive control, 205

Prentice-Hall, Inc., 226

President, 16, 258

Pressey, Sydney, 222

Prices, computer, 5, 48, 147

Primitive equations, 163

Principia Mathematica, 110

Printed-circuit, 62

Printers, 65, 66