PALMER, CLAUDE IRWIN.
Practical mathematics. Pt.4, Trigonometry and logarithms. 3d ed.
PALMER, CLAUDE IRWIN. Practical mathematics. Pt.4, Trigonometry and logarithms. 3d ed. © 10Jun30; A23993. Ethel Palmer Swantz & Clark F. Palmer (C); 8Aug57; R197245.
Ethel Palmer Swantz & Clark F. Palmer|C