I've inherited this table lighter. (Rowenta). I think it's from the
early/mid 60's.

http://david-vandtaarn.bildelang.dk/images/ting/rowenta/pict2.jpg
http://david-vandtaarn.bildelang.dk/images/ting/rowenta/pict1.jpg

Unfortunately I don't know what kind of battery it uses. I have a memory of
that it was rather unusual both in shape and in voltage.

If anybody could point me in the right direction I would be very happy