Balplan Microscope with Dual Viewing Attachment
Date: 1972 |
Bausch and Lomb Optical Co., Rochester, N.Y. The Balplan microscope series was the first American instrument with an infinity corrected optical system that allowed insertion of various accessories between the objective and head without image degradation. It was available in many configurations with different light sources and accessories for medical, biological, physical, and quality control applications. Date approximated. more...