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Arabic Numerals, 159, 161, 176, 182, 184 Blood, Circulation of, 255, 412

Apollonius, 108-112, 115, 241, 303

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Buffon, 318, 335, 372, 386

Bunsen, 353

Bürgi, 244, 252

Cæsar, 143

Cube, Duplication of, 68, 71, 75, 76, 108,
241

Cubic Equations, 100, 135, 163, 179,

239
Cuneiform Writing, 9

Calculus, 96, 99, 112, 147, 253, 273, 279, Cusa, Nicholas of, 192

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Clausius, 357, 364

Clepsydra, 27, 40, 127, 148, 163

Clocks, 188, 248, 266, 287, 328
Columbus, 181, 192

Combustion, 260, 262, 307, 309
Comets, 83, 207, 302

Comparative Anatomy, 390
Compass, 164, 187

Computation, 41, 147, 182, 236, 242
Computing Machine, 285, 301
Conic Sections, 76, 95, 108-112, 281
Conservation of Energy, 289, 348, 349,
355, 357
Contagion, 375
Continuity, 79

Coördinates, 110, 122, 125, 273, 277
Copernicus, 55, 194-203, 339, 407
Cosmogony, 371, 387
Cosmology, 23, 45, 73, 77

Cotton Gin, 441

Coulomb, 354

Counting, 23-25
Crete, 16-18

Crusades, 172

Crystallography, 364

Ctesibius, 123

Dürer, A., 235

Dynamics, 248, 293

Dynamite, 439

Earth, Motion of, 54, 85, 116, 128, 192,

195

Size of, 82, 107, 163, 199

Eclipses, 10, 28, 30, 43, 55, 121, 129
Ecliptic, 55, 108, 129

Economy of Nature, 282, 283, 390

Egypt, 11, 29–34, 36, 43, 45, 49, 139
Elasticity, 346

Electricity, 313, 354, 445

Electric Lighting, 445

Electrolysis, 364

Electromagnetic Theory of Light, 355

Elements, 45, 47, 52, 59, 74, 83, 261,
315, 363

Ellipse, 99, 110, 279, 280

Embryology, 256, 375

Empedocles, 59

Energy, 348, 349, 355, 357, 358

Engineering, 104, 123, 142, 321, 447

Epicurus, 84

Epicycles, 118, 129, 199, 212

Epigenesis, 375

Equant, 129, 199

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Fizeau, 352

Hargreaves, 441

Harriott, 245

Harvey, 255, 264, 271, 375, 412

Hawksbee, 311, 313

Heat, 249, 312, 350

Hebrews, 16

Helmholtz, 311, 323, 356-359, 439, 444

Helmont, Van, 258

Heraclides, 85

Hero, 123

Herodotus, 16

Herophilus, 113

Herschel, 333

Hertz, 356

Hicetas, 54, 56

Fluids, 249, 289. (See also Hydrostatics) Hindu Science, 156-160

Fluxions, 296, 326

Food Preservation, 446

Fossils, 56, 228, 316, 317, 385

Foucault, 352

Fractions, 30, 135, 163

Frankland, 362

Franklin, 270, 314, 329

Fraunhofer, 353

Fresnel, 351

Hipparchus, 119-123, 126, 129, 131

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Frontinus, 144

Function, 243, 324, 327, 336

Galen, 113, 142, 146

Humboldt, von, 393

Hunter, 319

Hutton, 317, 383

Huxley, 269, 366, 372

Galileo, 63, 217-226, 230, 245-253, 267, Huygens, 266, 286

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