![This computerized ultraviolet spectrophotometer used a micro-focused beam and could work with samples as small as 5uL.](https://www.sciencehistory.org/wp-content/uploads/2023/04/beckman_du_650_spectrophotmeter-e1680808820864.jpeg)
Kate Perkins
Staff Accountant
Featured image from our digital collections:
Beckman DU 650 Spectrophotometer, computerized ultraviolet spectrophotometer, 1980s.
Featured image from our digital collections:
Beckman DU 650 Spectrophotometer, computerized ultraviolet spectrophotometer, 1980s.