LM258AH Integrated Circuit Op-Amp - TO78 - National Semiconductor - NSC

LM212H Integrated Circuit Op-Amp - TO78 - National Semiconductor - NSC

LM158AH Integrated Circuit - TO78-8 - National Semiconductor - NSC

LF257H Integrated Circuit Op-Amp - TO78-8 - National Semiconductor - NSC

LM158H Integrated Circuit Op-Amp - TO78-8 - National Semiconductor - NSC

LM1458H Integrated Circuit Op-Amp - TO78-8 - National Semiconductor - NSC

LM329 Integrated Circuit - TO92 - National Semiconductor - NSC

LM1972N Integrated Circuit - DIP20 - National Semiconductor - NSC