00940nam a2200265Ia 4500 113956 BIBL 20160527183714.0 770707s1943 maua 001 0 eng 43013994 13481366 (OCoLC)03099497 DLC NIE m/c PUXA QA533 .B2 1943 Ballou, Donald H. (Donald Henry) 199220 Local Plane trigonometry with tables Donald H. Ballou and Frederick H. Steen. Boston Ginn 1943. vi, 123, 6, [1], 84 p. diagrs. "Wentworth-Smith trigonometric and logarithmic tables" on card laid in. Preliminary editions lithoprinted at Ann Arbor, 1940 and 1941. "Answers" : 6 [1] p. following p. 123. Trigonometry, Plane. 181554 Local Steen, Frederick Henry 1907- joint author. dn 280223 Local 95277 95277 0 0 0 514_000000000000000_B193 0 evl 33983 10 10 1 2016-05-27 174011 0 514 B193 80000001224545 2016-05-27 00:00:00 r:113956 z:NCC:D 6