Rock Star Scientists - join us at the Rock and Roll Hall of Fame for a Launch Party @ M&M 2024 July 29th, 6 to 10pm
Calibration Test Slide for Particle Sizing with 200 particles of various shapes and sizes.
This scale is etched through highly reflective vacuum coated metal. When viewed under vertical illumination, as with a metallurgical microscope, the scale appears black against a bright background.