How Everyday Things Work

Explains the scientific principles behind such everyday devices as bicycles, cameras, radios, watches, elevators, motion pictures, record players, televisions, refrigerators, lenses, tape recorders, and transistors and features more than one hundred drawings, photographs, and diagrams.Explains the scientific principles behind such everyday devices as bicycles, cameras, radios, watches, elevators, motion pictures, record players, televisions, refrigerators, lenses, tape recorders, and transistors