To: File Subject: SI i).nd 11 L-xperimentation and Research, 2 riarcli 1954 On.2 I-larch 19541-'I and 11 experimpntation and r escarch carried out in Btiilding 13, R 20 b ooin 0 -a _h following subjects: .2d ueina_t -e Routine tcsts were cari-ied out. Nothing unusual was tricd wi'th results not particularly satisfactory.