nam a22 7a 4500 18509 18509 161221b xxu||||| |||| 00| 0 eng d QC23 .S43 1950 Sears, Francis Weston Principles of physics series : mechanics, heat, and sound/ Francis Weston Sears. United States of America : Addison-Wesley Publishing Company, 1950. x, 564p. : ill. ; Includes index. Sound. Heat. Mechanics. lcc BOOKS QC23 .S43 1950 0 0 lcc 0 0 MUC MUC TECH 2016-12-21 Donation(B.F.A) 0 QC23 .S43 1950 29102 2018-07-11 2016-12-21 BOOKS