I still remember the duck and cover drills. (How could I forget?) The comments on the realistic orientation of us old folks may explain why so many of us olde pharts are pretty conservative, and don't usually go along with a lot of the vapid nonsense that goes on today-adays. Yes, I was alive throughout WWII and of course, the postwar world.
Those CDV-715 detectors have some nifty circuitry in them, if you're interested in that sort of thing.
http://www.vaughns-1-pagers.com/science/victoreen/cdv-715-a1-schematic.jpgGermanium transistor oscillator (Q1) to convert the 1.5 volt D-cell battery voltage for the plate and ion chamber voltages through T1, "peanut tube" electrometer (a 6617? - I forget), really high-precision glass-encapsulated high-value resistors, and a 50 microamp full scale D'Arsonval meter.
What's not to like? If you're into that sort of stuff.
And the die-cast case with the handle is great, but I still haven't figured out what to use it for. Maybe a "fox hunt" direction finder...?
(No, I'm not the seller on that ad posted by cassandra and sara's daddy. I got one about ten years ago and immediately dissected it.)
Terry, 230RN