To: Files Subjec't: SI and H Experimentation, 1 April 1952 on Tuesday, 1 April 1952, SI a nd riints were carr4a- on in-Bu 13,. Room 20. e se- The ent-i.&-.e 'ork was 2devo w ted to repeating motion pictur quences that.-ba,& been destroyed previously as mentioned before. No additional'experime.ntation was attempted at this timt---and no motion picture shots were made since the new lighting equipment had not been received. 41 To: Files 2 Subject: SI and H Experimentation, 2 April 1952 On''iiednesday, 2 April 1952, SI and 11 ex eriments were r:Led on ilq@,nSJ- an w- The major portion of the night's work was devoted to a refilning 2 of subject matter that had been destroyed as mentioned above. Some additional experimentation was carried out in simple E@ip experimentation'since additional camera work could not 'be carried on without new lighting equipment which had not been received. To:'.,Files Subject: and H Experimentation,,B and 9 April 1952 8 SI Since specially purchased lighting equipment had not been received, tlle experiinental work iii contiection with the makiiip,, of the training film was called off on the nigilt3 of 8 and 9 April 1952.