Posted by Stan Willis on February 12, 2001 at 06:56:29:
I've never seen any of these great items, but I can identify
the 3rd one with 2 buttons on the sides. There is a
German Patent Nr. 195484 of February 14, 1908 by Ferdinand Hauser
in Zurich, so it is definitly Swiss. I've never seen any of these.
Stan