This genre of electronics books can be associated with the style of presentation of the 1950s or earlier, for it was near the end of that era, in 1961, that Tektronix published a hardback book 1.25 inches thick (with each chapter having its own page numbering) titled Typical Oscilloscope Circuitry. Boxes of these books lay dormant on filing cabinets near the fourth-floor elevator at the rear of Building 50, the Technical Center of the company, available to technical employees and kept under the presumed auspices of “the Reverend” Russ Fillinger, an earlier Tek manager who made many and varied contributions at Tek. I absconded with two or three copies, and I still have two - they are that noteworthy. I recall years ago in a discussion on this subject with Jim Williams of Linear Technology (to whom I might have given the third copy) that he had a high regard for this book. It is not what would be considered today an engineering book, though it is full of conceptually descriptive material about oscilloscope circuits that would interest engineers.