Japan: Daihi Mokuzai Co. / Archive of Woodcraft and Lumbering History, 1982. 9 x 8 inches. Text in English and Japanese. Color and black-and-white photographs of sumitsubo. Cloth; board slipcase with title labels. A fine copy. Item #406937
Sumitsubo are shaped like a small pot to hold ink, used to mark long, straight lines on wood. It works like a standard chalk line but uses ink instead of chalk.