I.

Ida, mountains of, iron, 218.

Illuminating gas. (See Gas.)

Impulse pump. (See Ram.)

Incandescent light, 135, 456.

Incubators, 207.

India, 373, 400.

Industrial mechanics, 328-338.

Injectors, 173.

Intensifiers, 174.

International Exposition, London, 246, 352.

Invention, what it is, how induced, distinctions, growth, protection of, 1-8.

Iron, 218.

Iron Ships. (See Ships.)

Iridescent glass, 474.

Ironing machines, 338.

Italy, 255, 280.

Ives. F. E. (three-color process), 417.

J.

Jablochoff, M. Paul, 136.

Jacks, 245.

Jacobi, of Russia, 249.

Jackson, C. T., Dr., 71.

Jacquard Loom, The, 304, 323, 326.

Jacquard, Joseph Marie, 304, 305.

Jenk’s ring frame, 302.

Jenkins, Prof. F., 192.

Jefferson, Thos., 16,18.

Jenkin, Prof. Fleeming, 144.

Jewelry, 333.

“Jimcrow,” 245.

Johnson, Denis. (See Bicycle.)

Jones, iron and steel, 234.

Jonval, 172.

Joule, 2.

Jupiter, statue of, 34.

K.

Kaleidoscope, 410.

Karnes, Lord, 1768, 20.

Kaolin. (See Lighting.)

Kay, John, 293, 295.

“Kearsarge,” The, 261.

Kepler, 183.

Kennedy, Diss and Cannan, 331.

Kilns, 463, 464, 465.

Kinetic energy, Age of, 86.

Kinetograph, 417.

Kirchoff, G. R., 62, 412.

Kitchen and table utensils, 356.

Knabe piano, 403.

Knight, Edward, 36, 51, 170, 202, 232, 276, 321, 429.

Knitting, 307, 308.

König and Bauer, 283.

König, acoustics, 407.

Koops, 277.

Koster, 1620, rifle, 258.

Krag-Jorgensen rifle, 268.

Kramer, 146.

Krupp, steel, 234.

Krupp, Fredk., guns, 264.

Krupp, glass, 480.

Kutler, Augustin, 258.