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Evolution & Types of Microscope
- 1. GOOD MORNING
- 2. EVOLUTION & TYPES OF EVOLUTION & TYPES OF BY: S.MITHRAN MICROSCOPE MICROSCOPE
- 3. WHAT IS A WHAT IS A MICROSCOPE MICROSCOPE A microscope is an an optical instrument used for viewing very small objects, such as mineral samples or animal or plant cells, typically magnified several hundred times.
- 4. ROMANS ROMANS During the 1st century AD (year 100), glass had been invented by the Romans. Invention of glass Invention of glass HISTORY OF MICROSCOPE HISTORY OF MICROSCOPE
- 5. Once the glass had been invented, the Romans started experimenting with it and testing it. They found that if the glass is thick in the middle and thin on the edges and If we hold one of these “lenses” over an object, the object would look larger. HISTORY OF MICROSCOPE HISTORY OF MICROSCOPE
- 6. During the 1590s, two Dutch spectacle producers further experimented with these early lenses. Zaccharias Janssen and his father Hans started experimenting with these lenses. They had invented the compound microscope (which is a microscope that uses two or more lenses), but they could achieve a magnification of 9x only. EARLYMICROSCOPES EARLYMICROSCOPES
- 7. HISTORY OF MICROSCOPE HISTORY OF MICROSCOPE In the late 17th Century, Anthony von Leeuwenhoek from Holland invented a single lens, hand-held microscope that could achieve a magnification of 270x.
- 9. TYPES OF MICROSCOPE TYPES OF MICROSCOPE STEREO MICROSCOPE COMPOUND MICROSCOPE INVERTED MICROSCOPE METALLURGICAL MICROSCOPE POLARIZING MICROSCOPE
- 10. STEREO MICROSCOPE STEREO MICROSCOPE A stereo microscope is used for low-magnification applications and for 3D observation of subjects that are normally visible to the naked eye.
- 12. INVERTED MICROSCOPE INVERTED MICROSCOPE An inverted microscope is a microscope with its light source and condenser on the top, It was invented in 1850 by J. Lawrence Smith, a faculty member of Tulane University
- 14. POLARIZING MICROSCOPE POLARIZING MICROSCOPE The polarizing microscope is particularly useful in the study of birefringent materials such as crystals and strained non- crystalline substances. It is widely used for chemical microscopy and optical mineralogy.