Ko-ganna Japanese Block Plane Blades From the Meiji Era - 55mm 『Tsugutsugu Dougu Mandala』

『Tsugutsugu Dougu Mandala』

The box contained many planes from the Meiji or early Showa era

The last three comparison pictures show the differences between the Hisahiro type chisel mentioned above and the common Ichihiro type chisel

Blade thickness(Blade Bottom/Top of Blade):

Brand name: Yukichika

Ko-ganna Japanese Block Plane Blades From the Meiji Era - 55mm 『Tsugutsugu Dougu Mandala』Smith name: Unknown Steel: Carbon Steel Jigane: Watetsu (Japanese traditional iron) Blade Width: 55mm Blade length: 68mm Blade Weight: 362g Blade Angles: 24 Blade thickness: Blade Bottom(about 3. 9mm)Top of Bladeabout 6. 0mm Manufacture Era: Meiji era (1868 1912) Accessories Additional Information: Unused, the ura part is rusted, but it does not affect its use. I found it in a tool box sold by a descendant of a carpenter. The box contained many planes