Bull. Ntl. Mus. Nt. Sci., Ser. E, 38, pp. 23 34, Decemer 22, 2015 1920 1 2 1 673 08772 6 2 305 00054 1 1 Reserch for Exhiits of Time Exhiition Held t Tokyo Eduction Museum in 1920 Tkeshi INOUE 1 * nd Ktsuhiro SASAKI 2 1 Akshi Municipl Plnetrium, 2 6 Hitomru-cho, Akshi, Hyogo 673 0877, Jpn 2 Honorry Curtor, Deprtment of Science nd Engineering, Ntionl Museum of Nture nd Science, 4 1 1 Amkuo, Tsuku, Irki 305 0005, Jpn *e-mil: inoue@str.nifty.jp Astrct We reserched current sitution of items exhiited in Time Exhiition held t Tokyo Eduction Museum (the present Ntionl Museum of Nture nd Science) from My 16 to July 4, 1920. At the Time Exhiition, lot of items out time were exhiited from pulic orgniztions, compnies nd individuls, nd hd pproximtely 220,000 visitors. During exhiition period, the orgnizer set June 10 s the memoril dy of Time for ppeling punctul life. Time Exhiition hd lrge influence on society, nd the exhiits re vlule for studying time in the Tisho er. But the whereouts of lmost exhiits re uncler ecuse of Gret Knto Erthquke nd wr dmge. We identified items in the exhiition ctlogs, which include old clocks, stronomicl equipment, old clendrs, postl nd communiction equipment. In this pper we report identified items through the reserch nd descrie the considertion otined from them. Key words: Time Exhiition, The Memoril Dy of Time, Tokyo Eduction Museum 1 1920 5 16 7 4 7 3 2010 6
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