Sharpening old files

Thanks a lot for the many replies I got on Orchid as well as off list
to this subject.

In the nearest future and as soon as the weather behaves so that it
can be done outdoors, I shall be trying the various methods and will
let the Orchid list know the results.

Kind regards
Niels L?schal, Jyllinge, Denmark
@L_F8vschal
phone (+45) 46 78 89 94