Photo - 30 Screen 18 Jones & Lamson EPIC-230 OPTICAL COMPARATOR, Metronics Quadra-, Model: EPIC-230, Make: Jones & Lamson, ID: 279/18828

30 Screen 18 Jones & Lamson EPIC-230 OPTICAL COMPARATOR, Metronics Quadra-
Make: Jones & Lamson, Model: EPIC-230