The new universal library : volume twenty-one /
International Learning Systems Corporation Ltd
- London : International Learning Systems Corporation Ltd, c1969
- 480 p. : ill. (some col.) ; 26 cm.
CONTENTS
MECHANICS preliminary ideas different kinds of motion force and motion effects in combination friction e.tc
SOUND what is sound transverse waves longitudinal waves transmission of sound e.tc
HEAT sources of heat thermal expansion and thermometry e.tc
LIGHT photometry, shadows, pinhole camera laws of reflection, mirrors e.tc
ELECTRICITY AND MAGNETISM magnetism electricity voltage, current and resistance electro magnetic induction e.tc