Yarwood, T. M. Intermediate practical physics - London Macmillan 1940 - 307 Pg mean Physics General & Mechanics Page 457-464 in A to Z Accession Register (Acc. No. Pg1-Pg228) & Page 640 (Acc. No. 224-231) Subjects--Topical Terms: Physics General and Mechanics Dewey Class. No.: Pg230