TY  - BOOK
AU  - Wentworth,George,1868
AU  - Smith,David Eugene,1860-1944
TI  - Plane and spherical trigonometry and tables
PY  - 1914///
CY  - Boston
PB  - Ginn and Company
KW  -  Trigonometry
N1  - Transparent protractor in pocket mounted on lining-paper; With answers; Tables have special t.-p.: Trigonometric and logarithmic tables, by George Wentworth and David Eugene Smith. Boston, New York etc. Ginn and company c1914
ER  -