1N2984B semiconductor manufactured by United Technical Publications, listed as 1N2984B (circa 1965).

1N3027B semiconductor manufactured by United Technical Publications, listed as 1N3027B (circa 1965).

1N2984A semiconductor manufactured by United Technical Publications, listed as 1N2984A (circa 1965).

1N3027A semiconductor manufactured by United Technical Publications, listed as 1N3027A (circa 1965).

1N2984 semiconductor manufactured by United Technical Publications, listed as 1N2984 (circa 1965).

1N2982B semiconductor manufactured by United Technical Publications, listed as 1N2982B (circa 1965).

1N3026B semiconductor manufactured by United Technical Publications, listed as 1N3026B (circa 1965).

1N2982A semiconductor manufactured by United Technical Publications, listed as 1N2982A (circa 1965).

1N3026A semiconductor manufactured by United Technical Publications, listed as 1N3026A (circa 1965).

1N2982 semiconductor manufactured by United Technical Publications, listed as 1N2982 (circa 1965).

1N2980B semiconductor manufactured by United Technical Publications, listed as 1N2980B (circa 1965).

1N3025B semiconductor manufactured by United Technical Publications, listed as 1N3025B (circa 1965).

1N2980A semiconductor manufactured by United Technical Publications, listed as 1N2980A (circa 1965).

1N3025A semiconductor manufactured by United Technical Publications, listed as 1N3025A (circa 1965).

1N2980 semiconductor manufactured by United Technical Publications, listed as 1N2980 (circa 1965).

1N3025 semiconductor manufactured by United Technical Publications, listed as 1N3025 (circa 1965).

1N2979B semiconductor manufactured by United Technical Publications, listed as 1N2979B (circa 1965).

1N3024B semiconductor manufactured by United Technical Publications, listed as 1N3024B (circa 1965).

1N2979A semiconductor manufactured by United Technical Publications, listed as 1N2979A (circa 1965).

1N3024A semiconductor manufactured by United Technical Publications, listed as 1N3024A (circa 1965).