Found in a 1966 General Electric manual, this circuit provides a delay in starting. The motor is of the universal type and the triac according to its current.
Obtained from a 1967 documentation, this circuit uses transistors from the time. The galvanometer can be a...
Motors up to 2 A can be controlled by this circuit, which requires a symmetrical source. Although...
This sensitive MW receiver was found in a publication of year 1958., The circuit uses germanium...