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Overhead view of a Ring Dye laser
An overhead view of the Ring Dye laser.
Model 52 Ion laser
The Model 52 Ion laser. Debuted in 1968, it was the first laser to sell more than 10,000 units. It cost less than $10,000.
Close-up of the Model 52
A close-up of the Model 52. The laser tube in this one was refurbished in the 1980s.