Histological glass knife makers

For counting molds in tomato products and mold mycelia in butter and cream, etc. Glass slide is of one piece construction 75 x 35 mm, has raised central section 15 x 20 mm which provides a cell of 0.

Glass disc, with linear ruling or grid indelibly inscribed Fit over diaphragm in eyepiece NOTE: unless using precalibrated types under specified conditions, must calibrate discs by means of a stage micrometer to establish value of graduation