The Magnetic, Spectrum, and Radial Velocity Variations of 73 Draconis

It is shown that 73 Draconis is an unusual spectrum variable, particularly with regard to its Mg, Mn, V, and Ba variations, that its magnetic field is periodic, and that it is a single-line spectroscopic binary. The coincidence of magnetic minimum with light manmum is confirmed and the possibility of a secular variation in the magnetic range is noted.