The story
Compare French déclinateur. See decline.
Etymology from Wiktionary, CC BY-SA 4.0.
declinator
Today it means: An instrument for taking the declination or angle which a plane makes with the horizontal plane. Full definition →
Today it means: An instrument for taking the declination or angle which a plane makes with the horizontal plane. Full definition →
Compare French déclinateur. See decline.
Etymology from Wiktionary, CC BY-SA 4.0.