For sale is a Scherr-Tumico 14" Optical Comparator, Serial No.8422. Surface illumination and contour illumination. 10X Lens. Micro- adjustable longitudinal and cross travel. 6-Position barrel dead- stop for longitudinal travel. Chart with 0.004" per line resolution using 10X magnification. Please review the photographs to see the comparator turned-on with a sample part positioned for viewing. As always, do not hesitate to ask me any relevant questions about this item. We did not perform any additional testing beyond power-up and it is sold as-is.