Journal of the Society of Motion Picture Engineers (1930-1949)

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et>., 1930] PROGRESS REPORT 257 200 Report Mot. Pict. Div. U. S Dept. Com. (Aug. 28, 1929), p. 2. 201 Ex. Herald-World, 94 (Feb. 9, 1929), p. 35. 20ia Ex. Herald-World, 96 (Sept. 14, 1929), p. 32. 202 Electrical Review, 103 (Dec. 21, 1928), p. 1075. 203 Fr. Pat. 646,420. 204 Photo-Era, 62 (March, 1928), p. 161. 205 K. F. MATHER, Ed. Screen, 8 (Feb., 1929), p. 36. 206 L. M. BAILEY, Movie Makers, 4 (Mar., 1929), p. 178. 207 F. BECK, Kinotechnik, 11 (Mar. 5, 1929), p. 124. 208 F. BECK, Kinotechnik, 11 (Apr. 5, 1929), p. 179. 209 G. MAISER and H. UMBEHR: Kinotechnik, 11 (July 20, 1929), p. 379. 210 R. THUN: Kinotechnik, 11 (July 20, 1929), p. 383. 211 Sri. Ind. Phot. 10 (March, 1929), p. 35. 212 Sri. Amer., 141 (July, 1929), p. 27. 213 Barrons' Weekly (Sept. 16, 1929), p. 18; also Ex. Herald-World, 96 (July 6, 1929), p. 70. 214 G. B. BROWN: Internal. Phot., 1 (Sept., 1929), p. 34. 215 P. TIETZE: Kinotechnik, 11 (Feb. 20, 1929), p. 99. 216 Brit. Pats. 304,632; 308,973; 309,113; 309,504; Ger. Pats. 469,502; 467,711. 217 Fr. Pate. 640,118; 640,133: 640,139; Brit. Pats. 301,732; 303,170; 303,356; 303,357; 304,643; 304,669; 307,351; 308,320; U. S. Pat. 1,707,157. 218 U. S. Pats. 1,700,617; 1,700,618. 219 W. T. CRESPINEU,: Internal. Phot., 1 (Aug., 1929), p. 30. 220 Kinemat. Weekly, 145 (Mar. 21, 1929), p. 69. 221 Fr. Pat. 644,803; and Kinemat. Weekly, 144 (Feb. 21, 1929), p. 58. 222 Can. Pat. 290,031; Fr. Pat. 646,693; Ger. Pats. 465,458; 466,327; 469,416; Brit. Pats. 303,262; 306,328; 306,329; 307,659; U. S. Pats. 1,697,194; 1,699,226; 1,700,252; 1,700,616; 1,707,699; 1,707,709; 1,707,710; 1,707,825; 1,712,439; 1,716,989. 223 Film fur Alle, No. 14 (Dec., 1928). ™ Cine Kodak News, 6 (Aug., 1929), p. 6. 225 Movie Makers, 4 (May, 1929), p. 332. 226 Amat. Phot., 67 (Jan. 9, 1929), p. 28. 227 B. J., 76 (Aug. 16, 1929), p. 488. 228 Phot. Dealer, 43 (Jan., 1929), p. 34. 229 Film fur Alle, 3 (Apr., 1929), p. 108. 230 Amat. Phot., 67 (Apr. 24, 1929), p. 342. 231 Photo-Era, 62 (Mar., 1929), p. 167. 232 Amat. Phot., 67 (June 12, 1929), p. 506. 233 Filmo Topics, 5 (June, 1929), p. 5. 234 H. C. MCKAY: Amer. Phot., 23 (Jan., 1929), p. 16. 236 H. C. MCKAY: Movie Makers, 4 (Mar., 1929), p. 151. 236 H. C. MCKAY: Photo-Era, 62 (Mar., 1929), p. 172. I 237 Movie Makers, 4 (Mar., 1929), p. 195. 238 Movie Makers, 4 (June, 1929), p. 408. 239 E. S. GODDARD: Phot. J., 69 (Feb., 1929), p. 80. 240 Ed. Screen, 8 (Mar., 1929), p. 94. 241 Film fur Alle, 3 (May, 1929), p. 141.