The Gerber Derivimeter, a derivative measuring tool from the 1950s

The Gerber Derivimeter, made in the 1950s by the Gerber Scientific Instrument Company. This is episode 58 of my video series about old calculating devices. Claw machine photo by Wikipedia user Nlan86, CC-BY-SA-3.0 End song inspired by "Hotter than a Molotov" by The Coup. Chris Staecker webarea: https://faculty.fairfield.edu/cstaecker #gerber #derivative #knobs