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Subject:Re: water powered japanese edo boat woodblock
Posted By: I.Nagy Wed, Dec 24, 2025
雲龍舩圖 Picture of the Unryū-bune （Cloud Dragon Vessel)
長サ五間 Five ken long
巾 九尺 Nine shaku wide
一時三十里
一晝一夜ﾆ三百六十里ｦ走ﾙ
Thirty ri in an hour
Three hundred and sixty ri in a day and night
水樋二尺四方
長サ一丈八尺中ﾆ仕切ｱﾘ
小車四ﾂｱﾘ
Water drain two shaku square
Length eighteen jō and eight shaku with partition in the middle
Four small wheels
樋ﾉ内水上ｹﾞ長ｻ九尺
小車十六ｱﾘ
Water level in the water drain: nine shaku
Small wheels: Sixteen
水揚ｹ浮道具二本、水樋ﾉ内ﾆ有ﾘ
其仕懸吹子ﾉ如ｼ
大車三枚 羽車六枚
Two floating devices for hauling in, located within the water drain
Their mechanism resembles a bellows
Three large wheels and six blade-wheels
1 ken = 181,8 cm
1 shaku = 30,3 cm
1 jō = 3,03 m
1 ri = 3,93 km
Ref.
https://www.kosho.or.jp/products/detail.php?product_id=466711719
Joyeux Noël !
I.Nagy
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( China & Japan ) - francis minvielle - Dec 23, 2025 (10:55 AM) 