Bonjour! There is a big screw which holds the fine advance wheel to the body of the microtome. Take a HUGE screwdriver and loosen the screw a bit. Et voila!
The AO 820 was my first love....sigh. Jay A. Lundgren M.S., HTL (ASCP) _______________________________________________ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet _______________________________________________ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet