折衷尺
せっちゅうじゃく
compromised shaku (compromise between the Kyōhō shaku and the Matashirō shaku; approx. 30.3 cm)
折り尺 is read as おりじゃく (orijaku) and means folding ruler.
おりじゃく
orijaku
せっちゅうじゃく
compromised shaku (compromise between the Kyōhō shaku and the Matashirō shaku; approx. 30.3 cm)