… tapes, micrometers, callipers), not specified or included elsewhere in this Chapter. …
Explanatory notes
… Pattern generating apparatus designed to produce masks and reticles from photoresist coated substrates (such as … and eidographs for smaller, larger or same scale reproductions of maps, plans, drawings, parts to be … with such machines. (3) Drawing compasses , dividers, reduction compasses, spring bows, mathematical drawing pens, …