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REPAIRMENT AND MAINTENANCE OF MICROSCOPES IN SCIENCE LABORATORY DEPARTMENT IN INSTITUTE OF MANAGEMENT AND TECHNOLOGY (I.M.T) ENUGU

 

ABSTRACT

          Microscope is a device used for examining small objects and tiny living organisms like bacteria, fungi etc that cannot be seen with the naked eye.  The primary aim of this research work is to repair and give adequate maintenance of laboratory microscopes in Science Laboratory Technology Department in Institute of Management and Technology (I.M.T) Enugu.  This was achieved by replacing all the missing parts, lubricating the rusty parts.  If followed by cleaning the microscope with clean rag and checking all the functional parts to know whether there is any further mal functioning in the parts replaced, plugging it to the source of light electricity to ensure that is an good working orders.  Moreso, the lenses were cleaned with clean rag immersed in xylene and xylem oil.  Any finally coupled back for use.

 

 

 

 

TABLE OF CONTENTS

CHAPTER ONE:         introduction                                                       

1. Background Information                                                                   1       
2. Objective of the Study                                                             2       
3. Statement of Problems of the Study                                        3       
4. Justification of the Study                                                                  3       
5. Limitations of the Study                                                                   4       

CHAPTER TWO:        Literature Review                                              

1. Historical Background                                                            5       
2. Theory of Microscope                                                             7       
3. Types of Microscope                                                               10     
4. Component Parts of Compound                                                       15     

 Microscope and their functions.                                                      

1. Maintenance of Microscope                                                    17     
   1. Rules for the care of Microscope                                             17     
   2. Rules for the use of Microscope                                                        18     

CHAPTER THREE:                                                                 

Study Methodology                                                                 

1. Study Area                                                                              19     
2. Assessment of Microscopes                                                    19     
3. Materials                                                                                 19     
4. Operational Techniques                                                          20     

CHAPTER FOUR: Repairment And Maintenance                 

1. Repairment of the Microscope                                                          22
2. Maintenance of the Microscopes                                             23     

CHAPTER FIVE:                                                                    

Conclusion And Recommendations                                        

1. Conclusion and Recommendations                                         24     
2. Recommendation                                                                     25     

References                                                                               26     

 

LIST OF TABLES

 

Determination of magnification in a Compound Microscope

Assessment of five faulty microscopes

REPAIRMENT done in the microscopes.

 

LIST OF FIGURES

 

Visual angle Vs magnification

Magnification and resolution of a simple hand lens

Operation of ocular lens and objective lens on compound microscope.

Structure of compound microscope.

 

 

CHAPTER ONE

 

INTRODUCTION

1. BACKGROUND INFORMATION

The microscope is a vital instrument in a great variety of scientific and technical work, and is used by many who have otherwise no considerable acquaintance with optical instruments (Martin 1966).  It is also defined as a device used for examining small objects and tiny living organisms like bacteria, fungi, protozoa, algae and virus which cannot be seen with the eye (Carpenter 1977).

Today both light and electron microscopes are used extensively in microbiology research.  Prokaryotic cells, nucleoids, large organelles of eukaryotic cells are seen by the use of light microscope.  Using electron microscope objects which are small as the single protein molecules are seen.  Microscopes are very important to microbiologists interested in the structure of living organisms.  A good microscope provides both increased magnification (increases the apparent size of an object) and resolution (increase the clarity of the image).  The ability of microscopes to make small details visible depends on the wavelength of the illumination used to view the object.  The smaller the wavelength, the smaller the details that can be seen.  The best light microscopes, using the shortest light waves in the blue range (wavelength about 450 nanometers), can reveal objects in the specimen as small as 0.2 micrometer.&nbs