RC4559P Integrated Circuit - CASE: DIP8 MAKE: Texas Instruments

CD4508BE Integrated Circuit - CASE: DIP24 MAKE: Texas Instruments

JRC 4558 = RC4558 THT 8p DIL DIP Integrated Dual Op-Amp 1g GK27

TA7540P Integrated Circuit Op-Amp - Case: DIP8 Make: Toshiba

4PCS - Texas Instruments SN72306P DIP-8 Integrated Circuit (IC) - Genuine NOS

2 x LM339J Integrated Circuit - CASE: DIP14 MAKE: Texas Instruments UK

MC1306P Integrated Circuit - Protective Case: DIP8 Make: