“A degree is a whole or part of an angle that is not the result of division of that thing into sixtieths.” (Cosmographiae introductio, chap. I - Hessler 2008)
“A minute is one-sixtieth part of a degree.” (Cosmographiae introductio, chap. I - Hessler 2008)
“A second is the sixtieth part of a minute.”(Cosmographiae introductio, chap. I - Hessler 2008)