All the time in these NGs I've read PP-3 for the description of 9V transistor radio batteries. However, when I was a kid, we knew them by the description shown in the pic in the URLs below. Usually BL-006P or MN-006P for the Heathkits which used manganese or alkaline, I believe. In any case, I had never heard of PP-3 until the newsgroups.
formatting link
93&rd=1
Click on the supersize below the pic, or for a close up, try this:
formatting link
PGI think Eveready had some number, like 1602, that they used, and some other makers had something similar.
-- @@F@r@o@m@@O@r@a@n@g@e@@C@o@u@n@t@y@,@@C@a@l@,@@w@h@e@r@e@@ ###Got a Question about ELECTRONICS? Check HERE First:###
formatting link
My email address is whitelisted. *All* email sent to it goes directly to the trash unless you add NOSPAM in the Subject: line with other stuff. alondra101 hotmail.com Don't be ripped off by the big book dealers. Go to the URL that will give you a choice and save you money(up to half).
formatting link
You'll be glad you did! Just when you thought you had all this figured out, the gov't changed it:
formatting link