I hope this link works. It is in Swedish, sorry, but there is a lot of pictures of old sharpener and I think you can figure out the years the pics are from 
If you like to read the text you can translate the text - or learn Swedish, a nice languish to be able to speak if you travel to Sweden.
http://www.cultur.nu/knivar/expo/skarsli..._iKIKdR-z8
Thomas

If you like to read the text you can translate the text - or learn Swedish, a nice languish to be able to speak if you travel to Sweden.
http://www.cultur.nu/knivar/expo/skarsli..._iKIKdR-z8
Thomas

