Unknown创作的日本版画《Steelyard & case》
艺术家：Unknown
标题：Steelyard & case
日期：[1878?]
详情：更多信息...
来源：Library of Congress
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描述：
Drawing shows a portable balance (also known as a stilyard) with tray at one end and counterweight suspended at the opposite end, also cords extending from the top of the bar for hanging the balance; includes carrying case.