Toward the end of the year, re-investigation of the wave-length response of the LASL film badge was undertaken, using the theory of Greening (Proc. Phys. Soc. LXIV, 11-B, p. 977) as a guide. Results to date indicate the possibility of considerable improvenemt in the badge. 2M “LO TOA DO w i mo 63 Q> The Group Office has been considerably overcrowded during much of the year. The pending move to H-3uilding should relicve this situation.