2N2212 semiconductor manufactured by Sylvania, listed as 2N2212 (circa 1979).

2N2210 semiconductor manufactured by Sylvania, listed as 2N2210 (circa 1979).

2N2209 semiconductor manufactured by Sylvania, listed as 2N2209 (circa 1979).

2N2208 semiconductor manufactured by Sylvania, listed as 2N2208 (circa 1979).

2N2207 semiconductor manufactured by Sylvania, listed as 2N2207 (circa 1979).

2N2206 semiconductor manufactured by Sylvania, listed as 2N2206 (circa 1979).

2N2205 semiconductor manufactured by Sylvania, listed as 2N2205 (circa 1979).

2N2204 semiconductor manufactured by Sylvania, listed as 2N2204 (circa 1979).

2N2200 semiconductor manufactured by Sylvania, listed as 2N2200 (circa 1979).

2N2199 semiconductor manufactured by Sylvania, listed as 2N2199 (circa 1979).

2N2198 semiconductor manufactured by Sylvania, listed as 2N2198 (circa 1979).

2N2197 semiconductor manufactured by Sylvania, listed as 2N2197 (circa 1979).

2N2196 semiconductor manufactured by Sylvania, listed as 2N2196 (circa 1979).

2N2195B semiconductor manufactured by Sylvania, listed as 2N2195B (circa 1979).

2N2195A semiconductor manufactured by Sylvania, listed as 2N2195A (circa 1979).

2N2195 semiconductor manufactured by Sylvania, listed as 2N2195 (circa 1979).

2N2194B semiconductor manufactured by Sylvania, listed as 2N2194B (circa 1979).

2N2194A semiconductor manufactured by Sylvania, listed as 2N2194A (circa 1979).

2N2194 semiconductor manufactured by Sylvania, listed as 2N2194 (circa 1979).

2N2193B semiconductor manufactured by Sylvania, listed as 2N2193B (circa 1979).