Six-figure trigonometrical tables and formulae

Six-figure trigonometrical tables and formulae Attwood, C. (Charles) creator text enk London Pergamon Press 1962 4th rev ed. monographic eng 67 p. ; 16 cm. C. Attwood Trigonometry Tables 516.24 ATS 1962 EQO 160927 20211209075852.0 52842 eng