Japanese Instrument

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This flat rectangular brass instrument has four sets of lines on it, two sets on each side. Each set consists of four nested L-shaped lines and six shorter lines that run across them. Some of the shorter lines are straight, others are curved. A thin, short metal bar is inset in one side of the instrument. According to old cataloging, the instrument is marked in Japanese "kakuchaku hanki hyo." The object also was cataloged at one time as a sundial.
The instrument was received with group of Japanese devices exhibited at the Centennial Expositon, a world's fair held in Philadelphia in1876.
Currently not on view
date made
ca 1876
place made
Physical Description
brass (overall material)
overall: .2 cm x 11.1 cm x 6.1 cm; 3/32 in x 4 3/8 in x 2 13/32 in
ID Number
accession number
catalog number
Credit Line
Transfer from Bureau of Education, Department of the Interior
Drafting, Engineering
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Medicine and Science: Mathematics
Science & Mathematics
Single Drawing Instruments
Data Source
National Museum of American History