Roman College: _See_ Collegio Romano. Rotating lenses: _See_ Lenses. Rowe, 176. Rudge, John Arthur Roebuck, 139, 141–143, 148, 175. S Sallé & Mazo, 176. Salle au Grand-Café, 151. Sanson, Raoul Grimoin: _See_ Grimoin-Sanson, Raoul. Scheele, Carl William, 168. Scheiner, Christopher, 45, 46, 166. Schemer, 67. Schott, Gaspar, 62–64, 66, 67, 69, 166. Schultze, Johann Heinrich, 167, 168. Screen Projection: _See_ Projection. Seely, 172. Sellers, Coleman, 111, 112, 114, 172. Seneca, 163. Sequin, 171, 173. Seraphin, François, 76, 168. Shadow Plays, 13, 16, 76, 77, 148, 163, 168. Shaw, William Thomas, 171. Showmanship, 15, 16, 36–42, 58, 67, 68, 72, 73, 76–79, 123, 168. Shutters, 96, 111, 113, 116, 121, 124, 135. Silver, 163. Silver chloride, 168. Silver nitrate, 164, 168, 169. Sinsteden, Dr., 96, 97. Skladanowski, Max, 176. Slide Projection, 48–79, 85–114. Slides: painted, 68, 69, 100, 104, 110, 124; photographic: _See_ Photograph projection. Snell, Ebenezer Strong, 106, 170. Snell, Willebrord, 166. Soleil, François, 110, 170. Sound Motion Pictures, 131, 132, 134–138, 159, 160. Sources of Light: _See_ Projection Light Sources. Spaĉil, Karl, 104. Stampfer, Simon Ritter von, 85, 93–95, 170. _See also_ Plateau-Stampfer magic disks. Stanford, Leland, 118–122. Stereofantascope, 109, 172. Stereopticon, 136. Stereoscope, 67, 109, 111, 170–172. Stereoscope Cosmorama Exhibit, 111. Stereostrope, 172. Stillman, J. D. B, 119, 120. Story, A. T., 143. Stroboscope, 88, 93, 94, 170. T Tachyscope: _See_ Electrical Tachyscope. Talbot calotype process, 107. Talbot, William Henry Fox, 106, 107, 133, 142, 170. Talking Pictures: _See_ Sound Motion Pictures. Tanera, A. D., 147. Telescope, 15, 25, 26, 41, 45, 53, 63, 65, 67. Teleview, Hammond’s: _See_ Hammond’s Teleview. Television, 156. Thaumatrope, 80, 89, 94, 142, 157, 169, 172. Thaumaturga Lantern, 67. Théâtre Optique, 147, 157, 175. Théâtre Robert Houdin, 79. Theatrograph, 153. Thirion, Catherine, 85. Thompson, Silvanus, 153. Thuringopolonus: _See_ Witelo. Tissandier, Gaston, 121, 124. Trajedis, George, 138, 151. U Uchatius bronze, 98, 103. Uchatius, Franz von, 68, 98–105, 108, 112, 117, 121, 142, 152, 161, 171, 172, 174. V Valesius, George de, 60. Van Musschenbroek, Pieter: _See_ Musschenbroek, Pieter van. Van’s Gravesande, Willem Jakob, 167. Varley, John, 143. Vassel, Eugene, 122. Vinci, Leonardo da, 29, 31, 32, 34, 35, 38, 43, 44, 69, 161, 165. Vision, Persistence of: _See_ Persistence of Vision. Vitascope, 11, 158–160. Von Hauslab, Field Marshall: _See_ Hauslab, Field Marshall von. Von Helmholtz, Hermann Ludwig Ferdinand: _See_ Helmholtz, Hermann Ludwig Ferdinand von. Von Stampfer, Simon Ritter: _See_ Stampfer, Simon Ritter von. W