Champion, F. C.
Examples in general physics, light and sound for intermediate students / by F. C. Champion. - London, Glasgow : Blackie , 1938. - 39 p.: ill. ; 18 cm.
530 / CHE
Examples in general physics, light and sound for intermediate students / by F. C. Champion. - London, Glasgow : Blackie , 1938. - 39 p.: ill. ; 18 cm.
530 / CHE