Postby GaryGrzybek » Thu Mar 09, 2006 7:26 pm
William, you may be thinking of hollow grinding as apposed to a flattened diamond cross section. Examples of hollow grinding are shown with the Museum Line Svante and the Next Gen Regent. Both cross sections are seen frequently in historical examples.
Gary
G.F.S.
ARMA Northern N.J.
Albion Armorers Collectors Guild