Hughes memo-scope. Kinda rare old analog storage scope.
http://www.ebay.com/itm/110768441849someone else is apparently selling the manual for it:
http://www.ebay.com/itm/140741489383The quite nice thing about this sort of scope is the analog storage. It can be a little tricky to set up but once done it is easy to capture things like modulation peaks, etc. and it looks much nicer than a digital one. I have an older 104-D model Memo-Scope and it can retain an image for many minutes depending on set up.
