Fluorescent Ruler, Electron Microscopy Sciences

It is most useful for all fluorescent viewing and fluorescent photographic work.

Fluorescent Scale in inches and centimeters. This metric/english plastic ruler is printed with a pink phosphorescent ink that glows in the dark.The scale will fluoresce visibly upon illumination with ultraviolet light and serves as a measure of nucleic acid mobility. The scale is 0 to 6" with ¹/₁₆" increments on one edge and 0 to 15 cm with 1 mm increments on the other.