2N2357 thru 2N2359 (Germanium) CASE 161 (TO-41) C.
Motorola
2N2358 - PNP Germanium power transistors
2N2357 thru 2N2359 (Germanium) CASE 161 (TO-41) Collector Connected to Case PNP Germanium power transistors designed for very high-current switching .