Category: History - Modern (1750+)

The Romance of the Microscope An interesting description of its uses in all branches of science, industry, agriculture, and in the detection of crime, with a short account of its origin, history, and development

It is certain that lenses were used as early as the thirteenth century, and it is probable that they date back to far earlier times. The ancient gem cutters probably used spheres of glass filled with water as magnifiers, their work could hardly have been accomplished without s...

Chapters

1. CHAPTER XXII

2. CHAPTER I

It is certain that lenses were used as early as the thirteenth century, and it is probable that they date back to far earlier times. The ancient gem cutters probably used sphere...

3. CHAPTER II

Of the early British microscopists, Robert Hooke must not pass unnoticed. He was appointed Curator of the Royal Society two years after its formation, and the terms of his appoi...

4. CHAPTER III

It is hardly necessary to remark that the wonderful properties of the microscope depend upon light. Without light, lenses would be useless, objects could not be illuminated and...

5. CHAPTER IV

In our chapters, dealing with, the history of the Microscope, we attempted to trace the gradual development of the compound instrument from the simple lens; we stated that the l...

6. Chapter III. concerning light for the reason that the microscope can

be better understood and used more efficiently when we are acquainted with the phenomena due to light. The simple lens, sold under the name of pocket magnifier, in its cheapest...

7. CHAPTER V

The enthusiastic microscopist will probably never lack material for his instrument, whatever branch of microscopical work he may decide to make his own. To the student of Pond L...

8. CHAPTER VI

In this chapter we shall confine ourselves to the true water-dwelling plants, as distinct from those, such as the water lilies, which though never found growing on dry land, app...

9. CHAPTER VII

The science of botany consists of many branches and, in most of them, the microscope is the scientist’s constant aid. The study of bacteria, really a branch of botany, we have d...

10. CHAPTER VIII

There are few more interesting animals than spiders and we may spend many an hour learning details of their structure, which only the microscope can show, and studying their hab...

11. CHAPTER IX

The study of rocks and minerals by means of the microscope is apt to be disappointing. In the first place, to study them seriously we require a special microscope, the ordinary...

12. CHAPTER X

It is an unfortunate fact that our food is not always absolutely pure. It may be contaminated with foreign matter either by accident or by design. However careful the manufactur...

13. CHAPTER XI

There is probably no scientific work more wedded to the microscope than the study of bacteria. We may learn a great deal about birds or insects or rocks or minerals, without any...

14. CHAPTER XII

To the medical man, a microscope is all important. In the first place it is absolutely necessary for him to have an accurate knowledge of the human body; he must be able to reco...

15. CHAPTER XIII

Probably there are not many farmers who use a microscope and fewer still who use one to help them in their business, yet there are few people to whom one of these instruments wo...

16. CHAPTER XIV

Some of our readers will probably remark that entomology, or the natural history of insects, is really a branch of zoology and should be treated as such. We cannot pretend that...

17. CHAPTER XV

It is always surprising that the majority of microscopists never dream of examining any of the hundreds of beautiful objects which can be found by the seaside, in the course of...

18. CHAPTER XVI

The plant life of the sea side may be divided into two natural groups (i) of plants living on the shore near the sea and (ii) of plants living in the sea, for part of each day a...

19. CHAPTER XVII

Those of our readers who have borne with us thus far may quite excusably have thought that the last word had been attained in the construction of the microscope. It is true that...

20. CHAPTER XVIII

To thoroughly comprehend the various uses to which the chemist may put his microscope, it is necessary to have a knowledge of chemistry. The science is so wide in its scope that...

21. CHAPTER XIX

In how many branches of commerce, we wonder, does the microscope play its part. It is used in several departments of engineering for examining steels and many other metals not o...

22. CHAPTER XX

Photography is such a popular hobby in these days, that the enthusiast who possesses both camera and microscope, is certain, sooner or later, to wish to take permanent records o...

23. CHAPTER XXI

Having described all the ordinary uses of the microscope and having also insisted that the objectives are the most important part of the instrument, there are probably many of o...

24. CHAPTER XXII

In this, our concluding chapter, we propose to give a few hints upon the choice and use of the microscope and its accessories, to enlighten our readers concerning stains and sta...