Texas Instruments (UA741CP + Socket) Linear - Amplifiers, IC OPAMP GP 1MHZ SGL LP 8DIP 741 UA741, IC OPAMP GP 1MHZ 8DIP, (Pack of 12)
Texas Instruments NE555P + UA741CP and IC Socket (12 Pcs Each), Single Precision Timer, NE555N NE555 Single Bipolar DIP8 and Amplifiers - Instrumentation, OP Amps, Buffer Amps
Analog Devices AD847, High Speed, Low Power Monolithic Op Amp.
Texas Instruments LM358N LM358 Dual Operational Amplifier DIP8 10 Pack