Bell, Clifford, 1898- [from old catalog]
Essentials of plane and spherical trigonometry. [By] Clifford Bell ... [and] Tracy Y. Thomas ... - Rev. ed. - New York, H. Holt and company [1946] - ix p., 1 l., 246, 163, [1] p. pl., diagrs. 22 cm.
46004915
Trigonometry.
QA531 / .B45 1946
Essentials of plane and spherical trigonometry. [By] Clifford Bell ... [and] Tracy Y. Thomas ... - Rev. ed. - New York, H. Holt and company [1946] - ix p., 1 l., 246, 163, [1] p. pl., diagrs. 22 cm.
46004915
Trigonometry.
QA531 / .B45 1946