Plane and Spherical Trigonometry: with Tables.
Kells, Lyman M.
Plane and Spherical Trigonometry: with Tables. - 3rd/ed. - viii, 290p., illus., tables, 22cm.
9710819178
Trigonometry--New York--1951--newsprint
Plane and Spherical Trigonometry: with Tables. - 3rd/ed. - viii, 290p., illus., tables, 22cm.
9710819178
Trigonometry--New York--1951--newsprint