23 10 / 2015

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708 :おさかなくわ えた名無しさん:09/02/18 05:58 ID:3qhvyJLD

>>706
電柱等の住所表示は日焼けを防ぐために北についてることが多い。
歩行者用信号の「カッコー」という音は南北に渡る横断歩道
「ピヨピヨ」という音は東西に渡る横断歩道で流れる。
すごく有名だけど、アナログ時計の短針を太陽に向けたとき
短針と12時のちょうど真ん中が南。
この手の方角確認は旅行なんかに行ってぶらぶらする時に便利。

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