INDEX 



701 



Goldingham, John, 411. 



Gramme Armature, 222, 224, 227, 



228. 



Gratings, 7, 487, 492, 587, 525. 

 Gratings, Concave, 488, 492, 505. 

 Gratings, Nobert, 8, 555. 

 Gratings, Manufacture of, 487, 508, 



693. 



Gratings, Use of, 519. 

 Gratings, Wandschaft's, 549. 

 Grating-spectroscope, 489, 499, 512, 



551, 588. 



Gravitation, Cause of, 292. 

 Gravitation, Law of, 670. 

 Gray, Stephen, 624, 639, 653. 

 Green, George, 39, 90, 108, 114, 115, 



116, 627, 630. 

 Green, James, 362. 

 Grooves in Gratings, Theory of, 



529 et seq. 

 Guerricke, Otto v., 639. 



H. 



Hall, E. H., 197, 266. 



Hall Effect, The, 197. 



Harmonics in Alternating Cur- 

 rents, 276, 280, 300, 301. 



Harris Unit Jar, 208, 209. 



Harrison, C. N., 685. 



Harvard University, 5. 



Hastings, C. S., 7, 503. 



Heat, Mechanical Equivalent of, 5, 

 343 et seq., 469. 



Heaviside, Oliver, 674. 



Helmholtz, H. von, 4, 29, 83, 128, 

 131, 138, 159, 167, 179, 251, 314, 

 586, 630, 643. 



Henry, Joseph, 53, 578, 657, 669. 



Hertz, H., 289, 580, 658, 659, 673, 674. 



Herwig, H. A. B., 416. 



Hidden, 570. 



Himstedt, F., 5. 



Him, G. A., 344, 388, 408, 410, 416, 

 418, 423, 424. 



Holman, S. W., 364, 384. . 



Hutchinson, C. T., 4, 251. 

 Hysteresis, 276 et seq., 281. 



I. 



Icilius, Quintus, 36, 408, 418. 

 Inductance, Measurement of, 294 



et seq., 314, 325. 

 lonization of Gases, 579. 



J. 



Jacobi, M. H. v., 36. 



Jacobi Unit, 147. 



Jacques, W. W., 80, 81, 145, 174, 184, 



193. 

 Jamin, J. C., 71, 80, 81, 89, 90, 96, 97, 



122 et seq., 344, 388, 410. 

 Jenkin, Fleming, 150, 169. 

 Jewell, L. E., 524, 545, 550. 

 Johns Hopkins University, 4. 

 Jolly, P. G., 410. 

 Joule, 6, 7, 24, 27, 36, 52, 53, 146, 344, 



381, 408, 414, 416, 417, 419, 421, 



469. 

 Joule's Thermometers, 417, 469. 



K. 



Kelvin, Lord (see Thomson, Sir 



William). 



Kempf, P., 546, 553, 555. 

 Kew Thermometers, 363, 366, 381, 



466. 



Kimball, A. L., 239. 

 Kirchhoff, G. B., 145, 156, 239, 419, 



628. 



Koenig, Rudolph, 29, 217. 

 Kohlrausch, F. W., 4, 82, 83, 84, 146 



et seq., 410, 421, 628. 

 Koyl, C. A., 549, 555. 

 Kriiss, Dr., 566, 570. 

 Kurlbaum, F., 546, 553, 554, 555. 



Laboratories, Physical, 614. 

 Laboulaye, C. P. L. de, 410. 

 Langley, S. P., 491. 

 Laplace, 626, 639, 671. 

 Lecher, E., 4, 252. 

 Lenard, P., 576, 585. 

 Lenz, H. F. E., 36, 408, 418. 

 Lightning, 236. 

 Lightning-rods, 237, 663. 

 Lippmann, G., 5. 

 Lockyer, Sir J. Norman, 487, 524. 

 Lodge, Sir O. J., 662, 664, 674. 

 Lorenz, L. V., 146, 155, 156, 217, 239, 

 419. 



Magnetic Circuit, 3, 38, 89, 225, 276. 

 Magnetic Distribution, 80, 85, 89. 



