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Maximilian Hohmann · (This post was last modified: 03-29-2018 07:35 PM by Maximilian Hohmann.)

(03-29-2018 07:03 PM)Dieter Wrote: But it's not if you look at AAA cells.

In my recollection of the 1970ies and 1980ies AAA cells were almost nonexistent. You needed to go to a camera store and buy them at 3 or 4 German Mark a piece (or 2000 Italian Lire as I lived in Italy then). The usual places where one went to buy batteries did not have them. 4,5V "flat batteries" yes, because they were common for flashlights, but AAA I don't remember at all. And I never owned anything that needed AAA cells then. My grandmother had a calculator "Triumph/Adler Lady" with these batteries, but that must have been in the very late 70ies, and it was the first time I ever saw this kind of battery.