748133 semiconductor manufactured by Sylvania, listed as 748133 (circa 1979).

748112 semiconductor manufactured by Sylvania, listed as 748112 (circa 1979).

74105 semiconductor manufactured by Sylvania, listed as 74105 (circa 1979).

2N2641C semiconductor manufactured by Sylvania, listed as 2N2641C (circa 1979).

74LS49N semiconductor manufactured by Sylvania, listed as 74LS49N (circa 1979).

74SL00 semiconductor manufactured by Sylvania, listed as 74SL00 (circa 1979).

74149 semiconductor manufactured by Sylvania, listed as 74149 (circa 1979).

74C08 semiconductor manufactured by Sylvania, listed as 74C08 (circa 1979).

7479 semiconductor manufactured by Sylvania, listed as 7479 (circa 1979).

LM2701 semiconductor manufactured by Sylvania, listed as LM2701 (circa 1979).

LM2682 semiconductor manufactured by Sylvania, listed as LM2682 (circa 1979).

LM2589 semiconductor manufactured by Sylvania, listed as LM2589 (circa 1979).

LM710C semiconductor manufactured by Sylvania, listed as LM710C (circa 1979).

LM2111N semiconductor manufactured by Sylvania, listed as LM2111N (circa 1979).

LM2111 semiconductor manufactured by Sylvania, listed as LM2111 (circa 1979).

LM709C semiconductor manufactured by Sylvania, listed as LM709C (circa 1979).

LM1932 semiconductor manufactured by Sylvania, listed as LM1932 (circa 1979).

LM703L semiconductor manufactured by Sylvania, listed as LM703L (circa 1979).

LM224N semiconductor manufactured by Sylvania, listed as LM224N (circa 1979).

LM703 semiconductor manufactured by Sylvania, listed as LM703 (circa 1979).