S-t 14" standard glass chart - optical comparator

What is for sale: S-t 14" standard glass chart - optical comparator

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Used S-T 14" Standard Glass Chart. Small chip on top left quadrant.
Please be advised that all charts/overlays are USED unless otherwise stated in listing. Therefore, they may be dirty, have imperfections or chips. We will do our best to list any major flaws. However, we do ask that you realize that these are used and you will need to clean them prior to installing them on your Optical Comparator.
Please contact us with any questions or concerns.
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