Timm, John Arrend. Laboratory exercises in general chemistry / John Arrend Timm and Raymond Elwood Neal. - rev. ed. - London : McGraw-Hill book company, Inc., c 1956. - v, 231 p. : ill. ; 28 cm. 324 324 Subjects--Topical Terms: Chemistry -- Experiments. Dewey Class. No.: 542 / T483l