2N3216 semiconductor manufactured by Sylvania, listed as 2N3216 (circa 1979).

2N3215 semiconductor manufactured by Sylvania, listed as 2N3215 (circa 1979).

2N3214 semiconductor manufactured by Sylvania, listed as 2N3214 (circa 1979).

2N3213 semiconductor manufactured by Sylvania, listed as 2N3213 (circa 1979).

2N3212 semiconductor manufactured by Sylvania, listed as 2N3212 (circa 1979).

2N3211 semiconductor manufactured by Sylvania, listed as 2N3211 (circa 1979).

2N3210 semiconductor manufactured by Sylvania, listed as 2N3210 (circa 1979).

2N3209 semiconductor manufactured by Sylvania, listed as 2N3209 (circa 1979).

2N3208 semiconductor manufactured by Sylvania, listed as 2N3208 (circa 1979).

2N3203 semiconductor manufactured by Sylvania, listed as 2N3203 (circa 1979).

2N3202 semiconductor manufactured by Sylvania, listed as 2N3202 (circa 1979).

2N3153 semiconductor manufactured by Sylvania, listed as 2N3153 (circa 1979).

2N3148 semiconductor manufactured by Sylvania, listed as 2N3148 (circa 1979).

2N3137 semiconductor manufactured by Sylvania, listed as 2N3137 (circa 1979).

2N3136 semiconductor manufactured by Sylvania, listed as 2N3136 (circa 1979).

2N3135 semiconductor manufactured by Sylvania, listed as 2N3135 (circa 1979).

2N3134 semiconductor manufactured by Sylvania, listed as 2N3134 (circa 1979).

2N3133 semiconductor manufactured by Sylvania, listed as 2N3133 (circa 1979).

2N3132 semiconductor manufactured by Sylvania, listed as 2N3132 (circa 1979).

2N3130 semiconductor manufactured by Sylvania, listed as 2N3130 (circa 1979).