LM746N semiconductor manufactured by Sylvania, listed as LM746N (circa 1979).

LM3028A semiconductor manufactured by Sylvania, listed as LM3028A (circa 1979).

LM309K semiconductor manufactured by Sylvania, listed as LM309K (circa 1979).

LM3028 semiconductor manufactured by Sylvania, listed as LM3028 (circa 1979).

LM3019 semiconductor manufactured by Sylvania, listed as LM3019 (circa 1979).

LM741C semiconductor manufactured by Sylvania, listed as LM741C (circa 1979).

LM307P semiconductor manufactured by Sylvania, listed as LM307P (circa 1979).

LM3018 semiconductor manufactured by Sylvania, listed as LM3018 (circa 1979).

LM307N semiconductor manufactured by Sylvania, listed as LM307N (circa 1979).

LM3012 semiconductor manufactured by Sylvania, listed as LM3012 (circa 1979).

LM307J semiconductor manufactured by Sylvania, listed as LM307J (circa 1979).

LM3011H semiconductor manufactured by Sylvania, listed as LM3011H (circa 1979).

LM2902N semiconductor manufactured by Sylvania, listed as LM2902N (circa 1979).

LM2902J semiconductor manufactured by Sylvania, listed as LM2902J (circa 1979).

LM723C semiconductor manufactured by Sylvania, listed as LM723C (circa 1979).

LM2901N semiconductor manufactured by Sylvania, listed as LM2901N (circa 1979).

LM2901J semiconductor manufactured by Sylvania, listed as LM2901J (circa 1979).

LM2900N semiconductor manufactured by Sylvania, listed as LM2900N (circa 1979).

LM711C semiconductor manufactured by Sylvania, listed as LM711C (circa 1979).

7453P semiconductor manufactured by Sylvania, listed as 7453P (circa 1979).