Batty Optical Projectors Types R12, R20, R30, R30L, R60 and Optotrace. Detailed Sales, Technical Specification & Accessories Catalogue. 24 pages.
Model: Optotrace
This page displays all the content on the website associated with the 'Optotrace' model. Numeric models include all prefixes, such as 'Number', 'Mark', 'Size' etc.