Gun"ter's quad°rant (). A thin quadrant, made of brass, wood, etc., showing a stereographic projection on the plane of the equator. By it are found the hour of the day, the sun's azimuth, the altitude of objects in degrees, etc. See Gunter's scale.
スポンサード リンク
翻訳と辞書 : 翻訳のためのインターネットリソース
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.