DrBob,
I snagged this image from an auction on the German ebay:
http://www.ebay.de/itm/alter-TECK-1...Tabakwaren_Zippos_Pfeifen&hash=item256dad4408
In a close-up, my imagination comes up with this cutting angle:
The view angle of the photo would seem to have little affect on the apparent cutting angle.
Bob
I snagged this image from an auction on the German ebay:
http://www.ebay.de/itm/alter-TECK-1...Tabakwaren_Zippos_Pfeifen&hash=item256dad4408
In a close-up, my imagination comes up with this cutting angle:
The view angle of the photo would seem to have little affect on the apparent cutting angle.
Bob