Used 14" J&L / Jones & Lamson Optical Comparator General Purpose Glass Chart

14" Optical Comparator 20x Grid & Radius Glass Chart / Screen / Lens

14" Optical Comparator 50x Grid & Radius Glass Chart / Screen / Lens

14" Jones Lamson Optical Comparator Radius & Angle Glass Chart / Screen / Lens

Nice Jones & Lamson (J&L) AC-2216 3" capacity V-Block Stages (No Clamps)

14" Optical Comparator Glass General Purpose Chart / Screen / Lens

Nice Jones & Lamson (J&L) AC-2197 1" capacity V-Block Stages (No Clamps)

S-T Optical Comparator 30" Glass Screen 74-0008 - Used