A

Adams, W. B., 252
Agricola, Georgius, 215, 216
Airy, G. B., 319, 324, 332
Albrecht, Karl Theodore, 322, 338
Aldini, Giovanni, 124
Al-Mamun, seventh calif of Bagdad, 306
Almansi, Emilio, 339
Ames Manufacturing Company, 5, 7
Ampère, André Marie, 127, 129
Anckerswärd, Col. Michael, 157
Angle, Edward H., 295
Arago, Dominique François Jean, 129
Aristarchus of Samos, 54
Aristotle, 179, 306
Astor, John Jacob, 141

B

Baeyer, Adolf, 193
Baeyer, J. J., 321, 322, 324–327, 338, 346
Baily, Francis, 317
Baldwin, Matthias William, 264
Baltimore, Lord. See Calvert.
Barlow, Peter W., 221, 227
Bartlett, Charles A., 8
Basevi, James Palladio, 345
Battison, E. A., 18
Beach, Alfred Ely, 224, 227–229, 231, 237
Bechil, Achild, 179
Bemis, Will, 20–22, 27
Bennet, Abraham, 124
Bennett, Frank M., 139, 150, 165
Benz, Carl, 6, 7
Bergh, Christian, 145
Berroth, A., 342
Berthelot, Marcellin, 189
Bertolla, Alessandro, 65
Bertolla, Bartolomeo Antonio, 31, 34, 36–41, 47, 51, 52, 57–59, 62, 63
Berzelius, Jöns Jakob, 133, 182
Bessel, Friedrich Wilhelm, 313, 314, 319, 320, 324, 325, 338, 346
Besson, Jacques, 107
Bettany, G. T., 136
Beyer, Dr. Henry Gustav, 275, 276
Biddle, James, 141
Biot, Jean Baptiste, 135, 325, 329
Black, G. V., 295
Black and Bell, plant at Stratford, 182
Blake, John B., 290, 291
Bohnenberger, Johann Gottlieb Friedrich, 315
Bollman, W., and Company, 91, 92
Bollman, Wendel, 79, 80–83, 85, 88–92, 94–97
Borda, J. C., 311, 312, 315, 325, 329, 346
Borghesi, Father Francesco, 31–59, 70, 71
Boscovitch, Père R. J., 310, 311
Boston Locomotive Works, 260
Bouguer, Pierre, 307, 309–311 327, 343, 345
Boussingault, Jean Baptiste, 185
Boyd, John C., 276
Boyle, Robert, 178, 179
Brackenridge, S. M., 145
Brahe, Tycho, 54, 306
Brand, H., 178, 179
Brewington, M. V., 155
Brown, Adam and Noah, 141, 142, 145
Brown, Alexander Crosby, 165
Brown, E. J., 334, 339
Brown, Noah, 141, 150, 151
Browne, Charles, 157
Browne, Henry, 304, 314
Browns’ yard, 142, 144
Bruhns, C., 322, 324, 338
Brunel, I. K., 217, 218
Brunel, Marc Isambard (the elder), 204, 205, 217, 218, 221, 224, 229, 231, 236
Brunner Brothers (Paris), 329
Buchner, Hans, 197, 200
Burleigh, Charles, 212, 213
Burleigh Rock Drill Company, 212
Burr, S. D. V., 236
Butzjäger, Johann Georg, 36, 37

C

Calvert, George, Lord Baltimore, 156
Calvin, Melvin, 200
Canning, Stratford, 139
Carlisle, Anthony, 124
Carrel, Alexis, 291
Casciarolo, Vicenzo, 179
Cassini, Giovanni-Domenico, 306, 307
Cassini, Jacques, 306
Cassini de Thury, J. D., 311, 312, 315, 325, 329, 346
Cavallo, Tiberio, 124
Cavendish, Henry, 123
Cellérier, Charles, 320, 321, 325, 326, 329, 336
Chapman, Fredrik Henrik af, 156, 166
Charles II of England, 152, 153
Charles VI, Emperor of Austria, 32
Chevreul, Michel, 189
Clairaut, Alexis Claude, 308, 309, 343, 345
Clark, J. S., 342
Clark, John, 91
Clarke, A. R., 345
Cles, Baron of, 57, 59
Coast and Harbor Defense Company, 141
Coast Defense Society, 141, 142
Cochrane, Sir Thomas, 231, 232
Colbert, Jean Baptiste, 306
Colburn, Zerah, 259
Colden, C. D., 149
Coleman, Laurence V., 290
Colgan, P., 10
Colton, Arthur, and Company, 278
Cook, A. H., 342
Cook, Guy S., 339, 342
Copernicus, 54
Copperthwaite, William Charles, 224
Cori, Carl F., 200
Cori, Gerti T., 200
Crookes, William, 192
Cummings, James, 125, 127–129, 133–136

D

Dagger, Benjamin M., 290
Danforth Cooke & Co., 252
Danish Greenland Company, 150
Danish Royal Archives, 139, 150
Davy, Sir Humphry, 185
Dearborn, Henry, 141, 142
Deats, William, 9
Decatur, Stephen, 141
Defforges, C., 314, 329, 346
De Freycinet, Louis Claude de Saulses, 317
De Hevesy, George, 198, 200
De la Hire, Gabriel Philippe, 306
De la Vega, Garcilaso, 185
De Prony, M. G., 314
Deptford Yard (England), 165
De Saussure, Théodore, 185
Di Noris, Cristoforo Sizzo, 59
Dixon, William S., 276
Doane, Thomas, 210, 212, 213, 215
Dodrill, Forest D., 290
Donner, Joseph, 277
Douglas, W. & B., Company, 113
Drake, Edwin L., 213
Drinker, Henry S., 224, 237
Drury, Gardner P., 260
Dryden, Hugh L., 342
Du Buat, L. G., 314
Duperry, Capt. Louis Isidore, 317
Duryea, Charles, 3-13, 15, 16, 19–21, 26, 27
Duryea, J. Frank, 3-7, 9-13, 15–23, 26, 27
Duryea Motor Corporation, 5
Duryea Motor Wagon Company, 3, 27
Duryea Power Company, 5

E

Eastwick, Andrew M., 259
Eckford, Henry, 142
Einthoven, Willem, 290
Emerson, John Haven, 285
Emmet, ——, 144
Eratosthenes, 306, 308, 342
Erman, Paul, 128, 129, 132, 133
Eudoxus of Cnidus, 306
Euler-Chelpin, Hans von, 197, 200
Evans, Samuel, 141, 145
Evelyn, John, 32

F

Faraday, Michael, 125
Faye, Hervé, 325–327, 336–338, 346, 347
Ferchl, Fritz, 285
Fernel, Jean, 306
Fernelius, Jean, 179
Feulgen, Robert, 193
Fink, Albert, 79, 91
Fischelis, Robert P., 287
Fischer, Emil, 193
Fleming, Sir Alexander, 290, 295
Flint, James Milton, 273–278
Fox, Josiah, 157
Francis I, Emperor of the Holy Roman Empire, 42, 44, 52, 58
Fulton, Robert, 139, 141, 142, 144, 147, 149, 150, 157, 159, 165
Furtwängler, P., 337–339

G

Gahn, Johann Gottlieb, 182
Galilei, Galileo, 304, 305, 346
Galvani, Luigi, 124
Garfield, James A., 272
Garrison, Fielding H., 277
Gauss, C. F., 320
Gautier, P., 339
Gay-Lussac, Joseph Louis, 125, 182
Gilbert, L. W., 127–129, 132
Gobley, Nicolas Théodore, 191
Godin, Louis, 307
Goldingham, John, 316, 345
Goode, G. Brown, 273
Graham, Thomas, 182, 183, 185
Gravatt, C. U., 276
Greathead, James Henry, 204, 218, 221, 224, 229, 231, 235–237
Greely, A. W., 329
Griffenhagen, George B., 290, 291
Grubenmann, Hans, 85
Grubenmann, Johann Ulrich, 85
Gulf Oil and Development Company, 338
Gurley, Ralph R. (USN), 150, 151
Gustav III of Sweden, 156, 157
Gwynn, Stuart, 210

H

Hahn, Father Philipp Matthäus, 33
Haid, M., 335
Hall, Basil, 316
Hammond, William Alexander, 273
Hankwitz, Gottfried, 180
Harden, Arthur, 197, 200
Harrington, Frank, 7
Harrison, Joseph, Jr., 259
Hartford Machine Screw Company, 6
Hartmann, Immanuel Peter, 181
Haskin, DeWitt C., 201, 232, 234–236
Haupt, Herman, 96, 204, 209, 210
Hawley, C. E., 6, 11
Hawthorn, Leslie, and Company (Scotland), 166
Heaviside, W. J., 321, 345
Heiskanen, W. A., 338, 345, 346
Hellot, Jean, 180
Helmert, F. R., 338, 339
Helmholtz, Hermann von, 326
Henderson, Alfred R., 291
Henkel, Silon, 290
Henry II, King of France, 179
Herschel, John, 319, 328, 345
Heyl, Paul R., 339, 342
Hindle, Charles F., 290
Hinkley, Holmes, 252, 260, 263
Hirsch, Adolph, 322, 324–326
Hittorf, Wilhelm, 181
Hobson, Joseph, 237
Hoefer, Ferdinand, 179
Holmberg, Wilhelm, 178
Holt, L. Emmett, 276
Hoppe-Seyler, Felix, 193
Howard, George W., & Company, 8
Hull, A. S., 251, 268
Humboldt, Alexander von, 185
Huygens, Christiaan, 179, 304, 305, 307, 314, 342, 346

I

Ibañez, Carlos, 325
Incas, 185

J

Jefferson, Thomas, 145
Jeffreys, Sir Harold, 342
Jones, Jacob, 141
Jones, Thomas, 318
Jones, William, 147

K

Kater, Henry, 304, 314–320, 325, 327, 329, 345, 346
Kells, Charles E., 295
Klein, Father ——, 33
Kletwich, Johann Christopher, 179
Knight, ——, 83
Koett, Albert B., 287
Koppe, Émile, 181
Kornberg, Arthur, 200
Kossel, Albrecht, 200
Kraft, Johann Daniel, 179
Kramer, Dr. ——, 181
Kühnen, F., 338–339
Kunckel, Johann, 179

L

La Condamine, Charles Marie de, 307, 310, 311, 343
Lange, W., 199
Laplace, Marquis Pierre Simon de, 309, 313, 320
Latrobe, Benjamin H., 82, 83, 85, 87–91, 208, 209
Laurie, J., 157
Lavoisier, Antoine Laurent, 181, 185
Law, Henry, 218
LaWall, Charles H., 285
Laws, John Bennet, 186
Lederle Laboratories, 290
Leibnitz, Gottfried Wilhelm von, 179
Lennox, Charles, third Duke of Richmond, 185
Leonhardi, Johann Gottfried, 179
Levine, Phoebus Aaron Theodor, 193
Lewis, Jacob, 141
Lewis, Morgan, 141
Lewton, Frederick L., 277
Liebig, Justus, 183, 185, 186
Liebreich, Oscar, 191
Lilly, Eli, and Company, 283
Lindbergh, Charles A., 291
Lipmann, Fritz, 200
Lippi, Fra Lippo, 42
London, E. S., 193
Long, Crawford W., 294
Long, Stephen H., 85
Longomontanus, Christian Severin, 54
Lorenzoni, Giuseppe, 336, 339
Lütke, Count Feodor Petrovich, 316,