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Animations of mechanical models
The authors appreciate that this research is supported by the Grant-in-Aid for Scientific Research of Ministry of Education, Culture, Sports, Science and Technology, 11878026, 1999-2000.
Mechanisms of KARAKURI dolls
Japan imported modern machine industrial technology from Europe and America during the Meiji era (1868-1912), and the education models such as the above regarded as examples. However, in Japan there were KARAKURI dolls, which moved automatically using a weight (mercury) or a spring, in the Edo era (1603-1868), and they were performed to and won a favorable reception with the population. What we should pay attention to is that essentially the same mechanisms as described above were included in those KARAKURI dolls.