T192919 Grass Instruments AM8 Audio Monitor AM8B

Grass Instruments AM8 Audio Monitor AM8B

R195952 Grass Medical Industries AM8 Audio Monitor AM8B

Grass AstroMed AM7 Audio Monitor / Speaker

Vintage Grass Instruments Lab Equipment: Polygraph 1DAG DC Amplifier & 7P1G Pre-

Grass AstroMed AM7 Audio Monitor / Speaker

Grass Instruments AM8 C Audio Monitor - partially tested (powers on)

Grass Instruments SIU5B Stimulus Isolation Unit and CCU1A Constant Current Unit