Show Secrets of Movie v I Illusions Revealed Miss H Hoffmann Tells How You See One Person Play 1 Two or More Roles in Same Picture at Same Time By ESTH ESTHER ER HOFFMANN Few of the millions of ot people who so go o to I picture l turc shows have had sv chance chanco to learn how the wonderful and mystifying effects upon the screen are actually obtained Now before the tho method in use has bas been mastered mastered b by many of the film tUn manufacturers themselves comes the tho announcements mcl of a new camera camer which ul re revolutionises nl s the entire scheme and and is the tho tn en lion ton of or David Horsley Horsle Z The baffling effects upon the screen cn are arc obtained by double and exposures s. s each made separately Take for Cor instance e. e a n picture ro t released lc sM d re In which the same sae actor r plays B the part palt of ot a a man wh who is fa Injured and to attend him the tho doctor who c comes m s I 1 Tho photo of or th tilt the man being hurt hurts falling and th the body lying on th the theIs Is mado made first and then th the turn rUm is rewound with absolute exactness mV r rf object in the thc scene 1 l Lii covered d with wih black velvet No which does docs not photo photograph ra h Th The Tho wounded man Is not there of or course and the same actor now made made U un as RS a doctor doctor plays playa hi his part to an nil t imaginary patient nt He lie lo must bo be in precisely lY r relative p position position position-if if he ho go ROCS goes s a n step too far tat h he would appear In the tho finished picture to be bO stepping on omi th the man on the tho floor r Every move he lie makes la is measured to the fraction of or an ar RI Inch anti and tm timed d of ot watch with the exa exactness 6 a n stop An error however slight means menus that the entire entro negative must b be thrown away and aud the scene made malIc over and over oer until it is right One well wen known producer spent thres months month In obtaining a satisfactory vision ision in a a. f single ingle scene Hundreds of feet teet of ot film tm and lud the time and expense of ot actors actor dl rectors and camera camel men were wasted In in the work With the thE new double exposure camera however the two exposures ar are taken at the same time and amI all al SUl such waste of or film fm and amid time is i eliminated d. d y Two scenes or ot- the sc scene tc and a n black space exactly corr corres corresponding G to it i. i are arc set st et Up tIp close to each eRch other both being ph photographed at atthe ali alithe th the same instant on oh the same Ilmo negative The Tho solid figure sees tho the visions working and times his move accordingly Th The head of or ono one man can 1 ba bJ m marie made lc to appear alpar on oil another mans man's shoulders and ch changing n tl b back cK and fortl ort 1 at will vIll wil |