Title The Technique of Oshigata Making of the Japanese Sword
Publication Year 1977
Author Tokutaro Inuzuka
Fortunately,some pages are written in English.A gretr ref book if you are interested in Oshigata Making of the Japanese Sword.
The English preface says"Although the making of the Oshigata is one of the most efficient way to advance one's ability to pass correct judgment on the Japanese swords,unfortunately there has been a marked tendency for only a limited groupe of people,such as specialists or those training to be specialists,to practice this technique.This is especialy true in the case of rubbings of the tempered line."
