TSP #340 - This 1960's Plotter Mechanism is Cool! Simpson Multicorder 604 Analog Meter Experiments

In this quick episode Shahriar takes a look at a very unusual analog multimeter & plotter combo instrument. Despite the main multimeter being completely passive, it still manages to plot the measured results onto a rolling paper. But how did the engineers solve this unusual problem? Please consider supporting The Signal Path: https://www.TheSignalPath.com/Donate   / thesignalpath   Other links: https://www.TheSignalPath.com   / thesignalpath