G46 ASTM Grain Sizing E19-46 Root2

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Pattern G46 Description ASTM E19-46 Grain Sizing Disc - Root 2 Key features Eyepiece Reticle to ASTM E19-46 Root2. Circular pattern with 10 different segments each with a progressi vely smaller pattern for grain size analysis. Glass Type and Thickness Soda Lime 1.5mm thick Diameter Tolerance +0/-0.1mm Orientation Correct reading through glass Show more