Yes, these pamphlets take radios very seriously. There's one on how to do radio shop bookkeeping - $1/hr for labor! Another on how to be a good salesman.
I hope the whole series has been scanned and archived somewhere, but I couldn't find them anywhere.
LOL No, I didn't see that picture until a few days after I fixed those tubes. I'd reattached a few tube and CRT bases that had come really loose before. What hadn't occurred to me was that tight tube bases with what appeared to be well soldered pins could be a problem.