Geometric Tool Co. New Haven CT

Picked one by one from a mixed channel. Transcript check: both title readers certain; 5 of 5 sampled certain picks confirmed by transcript, none failed. Channel rule: Include only the restored instructional and technical films (machine shop work such as milling, threading, reaming, keyways, measuring tools, and tap-and-die technical films), factory and process tours, and substantive historical documentaries (e.g. Threading Time). Exclude museum promos, slideshows, short home-movie clips and fly-around animations.