Note that this story was not about technological design - but rater about about "identifying plants which manufactured them", and the operation was done by "fac

Note that this story was not about technological design - but rater about about "identifying plants which manufactured them", and the operation was done by "factory markings team" and not some EE engineers. There was no innovative electronic design in there; it's the questions like, "where is it made?" and "how many of those can USSR make" that were much more interesting.