Systems for recording extracellular and intracellular potentials as well as voltage clamp experiments.

ML870B70 Extracellular Recording System	A system for making extracellular recordings using high-impedance microelectrodes and a high gain, low noise neutralized preamplifier.
ML870B71 Intracellular Recording System	A dual channel system for single and dual channel intracellular recordings along with current injection.
ML870B72 Two Electrode Voltage Clamp System	The Two Electrode Voltage Clamp System contains 3 low-noise headstages and channels with bridges for current passing and capacitance compensation.