1N3035 semiconductor manufactured by United Technical Publications, listed as 1N3035 (circa 1965).

1N3034B semiconductor manufactured by United Technical Publications, listed as 1N3034B (circa 1965).

1N2992A semiconductor manufactured by United Technical Publications, listed as 1N2992A (circa 1965).

1N3034A semiconductor manufactured by United Technical Publications, listed as 1N3034A (circa 1965).

1N2992 semiconductor manufactured by United Technical Publications, listed as 1N2992 (circa 1965).

1N3034 semiconductor manufactured by United Technical Publications, listed as 1N3034 (circa 1965).

1N2991B semiconductor manufactured by United Technical Publications, listed as 1N2991B (circa 1965).

1N3033B semiconductor manufactured by United Technical Publications, listed as 1N3033B (circa 1965).

1N2991A semiconductor manufactured by United Technical Publications, listed as 1N2991A (circa 1965).

1N3033A semiconductor manufactured by United Technical Publications, listed as 1N3033A (circa 1965).

1N2991 semiconductor manufactured by United Technical Publications, listed as 1N2991 (circa 1965).

1N3033 semiconductor manufactured by United Technical Publications, listed as 1N3033 (circa 1965).

1N2990B semiconductor manufactured by United Technical Publications, listed as 1N2990B (circa 1965).

1N3032B semiconductor manufactured by United Technical Publications, listed as 1N3032B (circa 1965).

1N2990A semiconductor manufactured by United Technical Publications, listed as 1N2990A (circa 1965).

1N3032A semiconductor manufactured by United Technical Publications, listed as 1N3032A (circa 1965).

1N2990 semiconductor manufactured by United Technical Publications, listed as 1N2990 (circa 1965).

1N2989B semiconductor manufactured by United Technical Publications, listed as 1N2989B (circa 1965).

1N3031B semiconductor manufactured by United Technical Publications, listed as 1N3031B (circa 1965).

1N2989A semiconductor manufactured by United Technical Publications, listed as 1N2989A (circa 1965).