Philips EC91 - S.Q. Tube page 1 2 3 4 5 EC91 sheet 1 2 3 4 FP date 1968.12 1968.12 1968.12 1968.12 2001.04.13 (15 views)
Philips EC91 - Grounded Grid Triode page 1 2 3 EC91 sheet 1 2 FP date 1950.03.03 1950.03.03 1999.06.20 (12 views)
Mallory CEC910J - Disc Ceramic Capacitors EIA Class 1 Temperature Compensating Disc Ceramic Capacitors { { { { Temperature Compensating Ideal For Use in Timing and Oscillating Circuits Conform (6 views)