ASTM E19-46 Grain Sizing Disc - Root 2
Eyepiece Reticle to ASTM E19-46 Root2. Circular pattern with 10 different segments each with a progressively smaller pattern for grain size analysis.
£130.50 - £155.34
Thank you for your quote request, we will be in touch shortly.
Soda Lime 1.5mm thick
Correct reading through glass