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| Another important type of catalogation of japanese swords is according | | Another important type of catalogation of japanese swords is according |
| to schools (GoKaDen) and roads that hold the schools. | | to schools (GoKaDen) and roads that hold the schools. |
| + | |
| + | The first important change occurred after the attempts of mongol invasion in |
| + | the XIII century. The blades becomes more sturdy on the upper part, the |
| + | "Ikubi-Kissaki", a sort of very small point, was replaced with other, larger |
| + | types that left more rooms to repairs after damages. |
| + | |
| + | A second one, only temporary, was the one made in Nanbokucho era, when |
| + | every type of blade begun greater, longer and heavier, sometimes even |
| + | too much. |
| + | |
| + | The most important, anyway, occurred in Momoyama era, when the Katana |
| + | finally replaced the Tachi as main sword of the Samurai. |
| + | The difference between a tachi and a Katana is, to make a incredible diffucult |
| + | thing the easiest possible, the position of the Mei (signature). The signature |
| + | must be on the part of the blade that faces outside. So as tachi is worn |
| + | edge-down and Katana is worn edge-up, the signatures are placed in opposite |
| + | positions. Obviously this change was more a low evolution rather then a |
| + | suddenly revolution. So we have a lot of blades that are "in between" |
| + | and that is, for now betterr to skip about. |
| | | |
| The following layout shows the main (NOT all) "Sugata" (shape) changes of the japanese sword with period and lenght (in shaku, 1 shaku = 30.3022 cm or 11.93 inches) from right to left, first line first. Obviously an infinite number of possible mix are found, but these are | | The following layout shows the main (NOT all) "Sugata" (shape) changes of the japanese sword with period and lenght (in shaku, 1 shaku = 30.3022 cm or 11.93 inches) from right to left, first line first. Obviously an infinite number of possible mix are found, but these are |