RARE DUTCH GUNNERY RULE, 18th century, the two-sided rule made of brass 15-5/8” (40 cm) overall, pierced with a hanging hole. Each of the four long edges is hand divided with a scale, viz., three very non linear ones, YZER (iron), divided from 0 to 125, STEEN (stone) 0 to 100, and LOOT (undoubtedly lead, now written “lood”) 0 to 125, plus one linear one R. DUYMEN (likely Rotterdam inches as duymen, or duimen, meaning thumbs, like the
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