00803cam a22002651 4500 2577 2577 7786489 OSt 20190923150619.0 760423s1919 enk 000 0 eng 21015411 (OCoLC)2133948 DLC ScU ScU DLC premarc QA533 .H22 1919 516.24 HAL K Hall, H. S. (Henry Sinclair), 1848-1934. Elementary trigonometry, by H. S. Hall ... and S. R. Knight . Metric ed., rev. London, Macmillan and co., limited, 1967. xv, 443 p. 18 cm. Plane trigonometry. Knight, S. R. (Samuel Ratcliffe), joint author. 7 cbc oclcrpl u ncip 19 y-gencatlg ddc STS 0 0 ddc 0 0 43/4 AIISH AIISH 2019-09-23 0 516.24 HAL K 436 2019-09-23 00:00:00 2019-09-23 STS