Uchimaru-Kanna Japanese Inwardly Round Plane By Yoshigawa Eizo - 72mm
Brand name: Etsuei (悅英)
Smith name: Yoshigawa Eizo(吉川栄造, 1902～？)
Steel: Carbon Steel
Jigane(Iron part of the blade): Kamaji
Cutting edge width: 72mm
Blade total length: 115mm
Blade thickness: The blade near the bevel(about 5.70mm)，Top of Blade（about 8.75mm）
Blade Weight:386g
Blade Angles: 23°
Chip Breaker Width: 63mm
Wooden body artisan name: Judging from the selection of wood and the precision of its craftsmanship, the dai-ya (plane block maker) is presumed to be Toda Yasuo , a master daiya based in Tokyo.
The length, height (at its highest point), and width(widest part) of the wooden body :
278mm, 90mm, 35mm
Wooden Body: Japanese white oak
Manufacture Era: before 1970
Weight: 1186g
Accessories：-
Additional Information: This plane is designed for the fine finishing of curved surfaces, suited for cylindrical work with a diameter of approximately 390 mm (1 shaku 3 sun / 1.3 shaku). It originates from a retired miyadaiku (traditional temple carpenter) in the Tokyo area, being one of several planes he purchased in his youth and has carefully preserved ever since. The plane has been exceptionally well preserved by the miyadaiku; the blade is in pristine, like-new condition, and the dai (wooden body) exhibits no noticeable warping or twisting. However, if you intend to put it to work, you will need to spend some time conditioning the sole and sharpening the blade to your preferences.
Regarding this blacksmith, I found a dedicated biographical feature; you can find the original Japanese text here [insert link]. In addition, click here [insert link] to view the English version, which was translated with the assistance of AI and proofread by myself.
For more information regarding this blacksmith, please refer to:
https://x.com/suzune2022/status/1497104683504058371
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