1N1201A semiconductor manufactured by United Technical Publications, listed as 1N1201A (circa 1969).

1N1201 semiconductor manufactured by United Technical Publications, listed as 1N1201 (circa 1969).

1N1199 semiconductor manufactured by United Technical Publications, listed as 1N1199 (circa 1969).

1N1194A semiconductor manufactured by United Technical Publications, listed as 1N1194A (circa 1969).

1N1193A semiconductor manufactured by United Technical Publications, listed as 1N1193A (circa 1969).

1N1192A semiconductor manufactured by United Technical Publications, listed as 1N1192A (circa 1969).

1N1192 semiconductor manufactured by United Technical Publications, listed as 1N1192 (circa 1969).

1N1191A semiconductor manufactured by United Technical Publications, listed as 1N1191A (circa 1969).

1N1186 semiconductor manufactured by United Technical Publications, listed as 1N1186 (circa 1969).

1N1169A semiconductor manufactured by United Technical Publications, listed as 1N1169A (circa 1969).

1N1150A semiconductor manufactured by United Technical Publications, listed as 1N1150A (circa 1969).

1N1147 semiconductor manufactured by United Technical Publications, listed as 1N1147 (circa 1969).

1N1146 semiconductor manufactured by United Technical Publications, listed as 1N1146 (circa 1969).

1N1145 semiconductor manufactured by United Technical Publications, listed as 1N1145 (circa 1969).

1N1144 semiconductor manufactured by United Technical Publications, listed as 1N1144 (circa 1969).

1N1143A semiconductor manufactured by United Technical Publications, listed as 1N1143A (circa 1969).

1N1143 semiconductor manufactured by United Technical Publications, listed as 1N1143 (circa 1969).

1N1142 semiconductor manufactured by United Technical Publications, listed as 1N1142 (circa 1969).

1N1141 semiconductor manufactured by United Technical Publications, listed as 1N1141 (circa 1969).

1N1139 semiconductor manufactured by United Technical Publications, listed as 1N1139 (circa 1969).