1N3012B semiconductor manufactured by United Technical Publications, listed as 1N3012B (circa 1965).

1N3049B semiconductor manufactured by United Technical Publications, listed as 1N3049B (circa 1965).

1N3012A semiconductor manufactured by United Technical Publications, listed as 1N3012A (circa 1965).

1N3049A semiconductor manufactured by United Technical Publications, listed as 1N3049A (circa 1965).

1N3049 semiconductor manufactured by United Technical Publications, listed as 1N3049 (circa 1965).

1N3011B semiconductor manufactured by United Technical Publications, listed as 1N3011B (circa 1965).

1N3048B semiconductor manufactured by United Technical Publications, listed as 1N3048B (circa 1965).

1N3011A semiconductor manufactured by United Technical Publications, listed as 1N3011A (circa 1965).

1N3048A semiconductor manufactured by United Technical Publications, listed as 1N3048A (circa 1965).

1N3048 semiconductor manufactured by United Technical Publications, listed as 1N3048 (circa 1965).

1N3009B semiconductor manufactured by United Technical Publications, listed as 1N3009B (circa 1965).

1N3047B semiconductor manufactured by United Technical Publications, listed as 1N3047B (circa 1965).

1N3009A semiconductor manufactured by United Technical Publications, listed as 1N3009A (circa 1965).

1N3047A semiconductor manufactured by United Technical Publications, listed as 1N3047A (circa 1965).

1N3008B semiconductor manufactured by United Technical Publications, listed as 1N3008B (circa 1965).

1N3046B semiconductor manufactured by United Technical Publications, listed as 1N3046B (circa 1965).

1N3008A semiconductor manufactured by United Technical Publications, listed as 1N3008A (circa 1965).

1N3046A semiconductor manufactured by United Technical Publications, listed as 1N3046A (circa 1965).

1N3008 semiconductor manufactured by United Technical Publications, listed as 1N3008 (circa 1965).

1N3046 semiconductor manufactured by United Technical Publications, listed as 1N3046 (circa 1965).