Octal Socket

cant identify this tube?

I just got this tube from a friend to test and I have no clue what tube it is (neither does he). It has 8 pins and fits in an octal socket, and the only text on it is “Sylvania”, “Made in the USA” and the number “352″ on the other side. As far as I can tell it’s some sort of dual triode, and looks to be rather old. Also, the getter is at the bottom of the tube rather than at the top like most. Any help? Here’s a photo:

352A Dual-Diode Triode
(352A=Dual-Diode Triode, similiar to 292A and 6R7G)
352A WE NOS $55:
1) 1961
1) 1964
1) 1970
1) 1971
3) 1973
2) 1974

Tagged as: octal socket, octal socket adapter, octal socket base, octal socket dimensions, octal socket pcb, octal socket pinout, octal socket relay, octal socket saver, octal socket screw terminals, octal sockets plugs