SI AND H EXPERIMENTATION, 1 APRIL 1952

� To: Files Subject: SI and H Experimentation 1 April 1952 On Tuesday, 1 April 1952, SI and H.xperiinents were carried on i Building a .Room 20 w Aliy The entire work was devoted to repeating motion picture se- quences that had been destroyed previously as mentioned before. No additional experimentation was attempted at this time and no motion picture shots were made since the new lighting equipment had not been received. � To: Files Subject: SI and H Experimentation 2 April 1952 On Wednesday, 2...