New temperature-control techniques become available with the introduction of a computer. These are outlined with emphasis upon established thermal processes that embody considerable empirical experience so that the change from classical control practice must be gradual. It is assumed that time-shared control is a first objective so control loops will incorporate sample and hold elements. https://www.roneverhart.com/AMS-Neve-1073SPX-Single-Preamp-and-EQ-p33827/