Descriptive articles on terms in the fields of electronics, electricity, communications. Profusely illustrated with black and while drawings, charts, and graphs. Also included is a listing of the standard symbols for use in schematic diagrams. QB14.M37251993 Includes more than 200 signed articles, with hundreds of photographs, charts, graphs, and drawings, some in color. Has entries on the theoretical, observational, and experimental aspects of astronomy as well as on the instruments used to obtain the data.
Most articles contain bibliographies.
QC5.M4251993 Has 823 signed articles on all branches of physics supplemented by more than 1000 drawings, graphs, charts, and photos. Bibliographies appended to most articles. The signed articles are followed by bibliographies. Contains biographical information on famous deceased physicists as well as a number of black and white diagrams, formulas, and other illustrations. Although a dictionary of engineering units and measures, the work also includes a schematic organization of modern sciences, Nobel Prize winners in physics, units in the physical sciences and technology, systems in present use, abbreviations for units of measure, conversion of units and other related information.