Gregory, R. A.
Exercises in practical physics for schools of science / by R. A. Gregory and A. T. Simmons. - London : Macmillan, 1899. - 173 p. : ill. ; 17 cm.
530 / GRE
Exercises in practical physics for schools of science / by R. A. Gregory and A. T. Simmons. - London : Macmillan, 1899. - 173 p. : ill. ; 17 cm.
530 / GRE