Vintage Grass Medical Instruments Force-Displacement Transducer FT10 4M73P3

Grass FT10C Force-Displacement Transducer w/ Case, Springs – USA Made

Grass Force Displacement Transducer FT 03, + Wooden Case + calibration weights

GRASS INSTRUMENTS FORCE DISPLACEMENT TRANSDUCER FT10 FT 10

GRASS MEDICAL INSTRUMENTS FORCE DISPLACEMENT TRANSDUCER FT03 in/wood Case #1

GRASS MEDICAL INSTRUMENTS FORCE DISPLACEMENT TRANSDUCER FT03 in/wood Case #2

Grass Instruments FT03C Force-Displacement Transducer W/ Case & Multiple Springs