Yet another thing I got from a university clearance... This time, it's more sinister in nature, involving experimenting on living test subjects. Questionable ethics time! No unforeseen consequences though.

0:00 Intro 1:00 Skinner Boxes and the Cumulative Recorder 4:18 Overview of the CR-2 6:26 Writing, Marker, Reset and Paper Advance Demonstration 10:00 Paper Feed and Drive Mechanism 11:10 Taking Off the Bottom Cover 13:25 Back Panel 14:15 Controls, Mains Wiring and Mechanism 17:15 Pen Advance Driving Mechanism 19:57 Solenoid & Escapement Mechanism 21:37 Cleaning and Lubricating the Pen Drive Shaft 33:30 Mechanism Reassembly 37:30 Engineering Brilliance! Phone Dial Return Mechanism 39:20 Fire It Up Again 41:00 Semi-Automatic Testing 18:45 Afterword... And More Ethically Questionable Scientific Instruments

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