150327 Googleロゴ
古河太四郎 生誕170周年
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formerly posted as h.hatena.ne.jp/screwflysolver/81799660121272575
https://www.google.co.jp/logos/doodles/2015/tashiro-furukawas-170th-birthday-5633856614957056-hp.gif
formerly posted as h.hatena.ne.jp/screwflysolver/81799660121272575