1950 – Remote-control Manipulator – Art Youmans (American)

Several feet away, the operator controls the arm from this chair. It can measure out liquid by the drop.  "Adelbert"—Science's "Right Arm"—Can Even Write Its Name ALTHOUGH it looks more like a dentist's oversized drill, a gentle-acting mechanical arm called "Adelbert" is actually built like the human arm. It has an elbow, shoulder, wrist and …