望远镜与显微镜PDF电子书下载

Contents 2

Two worlds to explore 2

The first telescopes 4

Galileo explores the heavens 7

The lens makes the picture 9

Making a simple telescope 12

Using the telescope 14

Isaac Newtons mirror telescope 16

The rival telescopes 19

The big reflectors 21

Other kinds of telescope 23

Mountings and accessories 26

Observatories and their work 28

The radio telescope 31

Binoculars 32

The first microscopes 36

The compound microscope 38

Microscopes of today 40

Binocular microscopes 41

Using the microscope 45

Some objects for the microscope 48

Preparing slides:dry mounting 49

Preparing slides:moun ting in fluid 52

Microscopes and medicine 53

The electron microscope 56

Vocabulary 59