So thanks to @N9IWP for giving me the tip on how to step through video frames on YouTube, I did screengrabs of the 4 frames and created an animated GIF of the woman blinking just for funzies (hey, it’s the day before T-Day and I am slow at work).
Presented for your viewing pleasure (or uncanny valley horror, YMMV) an endless loop of a forgotten video test model from 1967 blinking:
