Experiments with a microscope / Nelson F. Beeler, Franklyn M. Branley ; illustrated by Anne Marie Jauss. Beeler, Nelson 1910- Branley, Franklyn Mansfield, 1915-2002. Microscopes Experiments Juvenile literature. QH205 .B43 578 BEE Includes index. New York : Crowell, 1957 1957 1957 Text 154 p. : eng