#1 Likely bushings for a chucker lathe for mounting fractional drills in the turret. What diameter is the OD of the bushings?
That is exactly what they look like. What exactly is the slot for.
They are chucker bushingsdid you find out?my boss has me listing these as hardinge chucker bushings on ebay,but i googled hardinge chucker bushings,images,and they dot match up.