The American practical navigator : being an epitome of navigation and nautical astronomy (1888)
Bowditch, Nathaniel, 1773-1838, United States. Navy Dept. Bureau of Navigation, Cooper, Philip Henry, 1844-1912 · Washington : Govt. Print. Off. · leaf 98
refer it or them tosome fixed line or plane adopted as the primitive; and the linesor planes referring to the standard are called co-ordinates. For instance, in Fig. 42 is explained the system of recti-linear co-ordinates for a plane. A fixed line, FE, is chosen^ and a definite point, C, in it as… … 3 B * Reeds Naval Science. + Chauvenet. 65 66 NAUTICAL ASTRONOMY. D The distance x is called the abscissa, and y the ordinate. Assuming two intersecting right lines FE and HI as standard lines of reference, the location of the point A is defined by regarding the distances measured to the right hand…
Navigation · Nautical astronomy
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Divina proportione : opera a tutti glingegni perspicaci e curiosi necessaria oue ciascun studioso di philosophia: prospettiua pictura sculptura: architectura: musica: e altre mathematice: suavissima: sotile: e admirabile doctrina consequira: e delecterassi: co[n] varie questione de secretissima scientia (1509)](https://img.insideoutlibrary.com/img/200/ia-divinaproportion00paci-31-35.webp)
