_@ Le FRONT SIDE WITH 1.6 cm OUTER DIAMETER TAPPERED CuT-ours. REAR SIDE WITH 1.i cm INNER DIAMETER ANG COVERED WITH A THIN LAYER OF MYLAR. FRONT PANEL LL L / REAR SIDE, SOLID GLUMINUM. FRONT SIDE WITH | cm CIAMETER INSETS TO HOLD TLDS. REAR Figure l. », PANEL Aluminum TLD holder. ~ 19 -