Newton Henry Black & Elbert Cook Weaver.
Laboratory experiments and workbook to accompany Black and Davis Elementary practical physics, revised.
R643271. Laboratory experiments and workbook to accompany Black and Davis Elementary practical physics, revised. By Newton Henry Black & Elbert Cook Weaver. NM: additions & revisions. © 20Sep49; AA128381. Margaret B. Richardson & Elizabeth B. Emlen (C of Newton Henry Black); 1Oct76; R643271.
Margaret B. Richardson & Elizabeth B. Emlen|C of Newton Henry Black