Wang 379-10 Storage Tube Graphical Display for Wang 300-Series Calculators
This device was connected to the 379-11 interface, which connected to the I/O bus of a Wang Model 370 or Model 380 programming keyboard. It allowed the display of graphical information by plotting points or vectors on the screen. The 379-10 was OEM'd from Tektronix, using Tektronix'"DVST" (Direct View Storage Tube) technology, made famous in Tek's graphical display terminal.
Image Courtesy Frank Trantanella