—— - woo rs Tt SD . ARLIE.: 2 REE ak Soale lee 7 > BUSTER-CH ~ fe re ., AS Lg meh ee loo lee “er SEEET TE ) yey te : _— RS *. a Rare . ae . z 3 ; . 7 2 3 : _ ° 3 2 "se 2 3 9 j - es. Ss 3s 3 ae” . : oun . ° 3 * * «. “ anne tol ~ “AES: leo i " Ni ; | i \ | “s ; 3 | ri é 8 * £ : +s (a) -- %* RECORDER SENSITIVITY CHANGE: BUSTER - CHARLIE i iblid dl TUMBLER -SNAPPER 3 Fig. 4.1 — Microphotometer traces of $-R 0-13 band O, in Buster Charlie and _Fymbler-Snapper 3. 227.