Harris, John, 167. Hauron, Louis Ducos du. _See_ Du Hauron, Louis Ducos. Hauslab, Field Marshall von, 99, 102. Heliocinegraphe, 110. Heliostat, 167. Heliotypes, 169. Helmholtz, Hermann Ludwig Ferdinand von, 124. Herschel, John, 84, 169. Heyl, Henry Renno, 112–114, 121, 172. Holland, Andrew, M., 137. Holland Bros., 151. Hooke, Robert, 167. Hopkins, Alfred, 130. Hopwood, Cecil M., 176. Horner, William George, 109, 170. Howard, F., 176. Hoxie, Charles A., 160. Hughes, W. C., 176. Hunt, Robert, 108. Hunter, Rudolph Melville, 156. Hyalotype, 108, 171. Hyatt Company, 133, 153. Hyatt, John Wesley, 172. Hydrocarbon Lamp. _See_ Projection Light Sources. I Illusion of Motion. _See_ Motion, Illusion of. Illusions, Optical, 63, 73. Intermittent Movement. _See_ Movement, Intermittent. Isaacs, John D., 118, 120, 173. J Jacob, Willem, 144. Janssen, Pierre Jules César, 116, 125, 173. Janssen, Zachary, 45. Japanese Mirrors. _See_ Mirrors. “Jazz Singer, The,” 160. Jenkins, C. (Charles) Francis, 155, 156, 176. Jennings, W. N., 143. “J. M.”, 87, 169. Joly, Henri, 176. K Kaleidophone, 169. Kaleidoscope, 53, 83, 169. Kaster, Captain, 84. Keith’s Theatre, 151. Kepler, Johannes, 43–46, 166. Kesler, John Stephan, 60. Kinematoscope, 112, 114, 172. _See also_ Cinematoscope. Kineograph, 172. Kineopticon, 154. Kinesigraph, 131, 139, 173. Kinetic Lantern, 154. Kinetograph, 130, 133, 135–138, 149, 175. Kinetophonograph, 137, 138. Kinetoscope, 130, 133, 137, 151, 155, 156, 158, 159, 175. Kinetoscope Exhibition Company, 156. Kinetoscope Parlor, 137. Kingston-on-Thames Museum, 128. Kircher, Athanasius, 9–12, 20, 46, 48–80, 85, 101, 102, 104, 161, 166, 171. KMCD Syndicate, 157. Koopman, E. B., 157. Koster & Bial’s Music Hall, 11, 158, 159, 176. Kunckelius, J., 68. L Laing, James, 172. Lambda Company, 157. Lamposcope, 124, 174. Langenheim Brothers, 106–112, 114, 161, 171, 173. Langenheim, Frederic, 106–108, 112, 171. _See also_ Langenheim Brothers. Langenheim, William, 106, 107, 112, 171. _See also_ Langenheim Brothers. Langenmantel, Jerome, 59, 67. Langley, Samuel P., 145. Langlois, 172. Lanterns. _See_ Kinetic Lantern, Magic Lantern, Megalographica Lantern, _and_ Thaumaturga Lantern. Latham, Grey, 156, 176. Latham, Otway, 156, 176. Latham, Woodville, 156–158, 176. Lauste, Eugène, 157. Lee, 172. Lenses, 39, 54, 63, 65–67, 69, 70, 75, 100, 101, 108, 112, 141, 144, 155, 166–167. Le Prince, Louis Aimé Augustin, 139, 141, 174. Levison, Wallace Goold, 143. Libri, Guillaume, 34. Liesegang, Paul E., 147. Linnett, 172. Lucretius, 96, 97, 163. Lumière, Auguste, 150, 175. Lumière Bros., 149, 150, 175. Lumière, Louis, 149, 150, 158, 175. M Maddox, R. L., 116. Madou, 92.