OSBORNE TURNER, . (1952). WOODS PRACTICAL GUIDE TO FAN ENGINEERING. COLCHESTER: W.C.L.
OSBORNE TURNER, . 1952. WOODS PRACTICAL GUIDE TO FAN ENGINEERING. COLCHESTER: W.C.L.
OSBORNE TURNER, . WOODS PRACTICAL GUIDE TO FAN ENGINEERING. COLCHESTER: W.C.L. 1952.