Some time during this period a Calcomp pen plotter was acquired that would eventually be connected to several computers (including the Philco and Sigma 7). This was a Bendix PA-3 plotter which was ...

Contrast with drum plotter. An Early Flatbed Plotter In the 1970s, this CalComp Model 738 large-format, flatbed plotter was an offline device. Data was delivered to it via magnetic tape.