Solved An article in the Tappi Journal (March, 1986) | Chegg.com
Dirt in pulp – chart method (Proposed revision of T 213 om-01)
1 On-Machine Visible Dirt Measurement on Moving Sheets and the Relationships to Standard Laboratory Methods
Custom charts (Transparency) for defects and measuring and quality control - Ryan Quality Control
Visual Inspection Guide
Dirt Chart Test | If you're interested in learning more about the various tests performed on medical device packaging, check out the 15 different testing videos from... | By Beyond Clean | Facebook
TAPPI T 564 sp-16 - Transparent chart for the estimation of defect size
Amazon.com: Precision Accuracy SEC-02 Size Estimation Chart (Transparency) for Defects and Measuring Size Estimation Chart (Transparency) for Defects and Measuring sq ml by Area : Industrial & Scientific