Playne, H. C.
Practical trigonometry / H.C. Playne and R.C. Fawdry. - London : E. Arnold, 1906. - vi, 156, xi, p. : ill. ; 18 cm.. - Arnold's mathematical series. .
85666949
Trigonometry.
QA531 / .P52x 1906
514.9 / PLP
Practical trigonometry / H.C. Playne and R.C. Fawdry. - London : E. Arnold, 1906. - vi, 156, xi, p. : ill. ; 18 cm.. - Arnold's mathematical series. .
85666949
Trigonometry.
QA531 / .P52x 1906
514.9 / PLP