Eyepiece Reticle with Kotter pattern for analysis of bitumous coal and anthracite.
£146.45 - £172.68
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This reticle is normally used with a 20x objective and is sized accordingly. If other objective magnifications are used then we have to apply a calibration factor to ensure the pattern is the correct size. Please ask for a quotation for a custom made reticle. Reference: I.S.O. 7404-4: 1988 (E). Methods for Analysis of Bitumous Coal and Anthracite. Part 4 and Methods of Determining Microlithotype Composition.
Soda Lime 1.5mm thick
Correct reading through glass