1. Introduction

1.1. Methodology: Framing scientific knowledge

1.2. An Overview of Maxwell’s approach to methodology

1.3. Maxwell’s initial publication of 1856 (an abstract)-placing methodology at the forefront

1.4. Methodology as an essential feature of scientific practice: The case of Maxwell

1.5. The argument

2. Maxwell’s choice: Faraday vs. Ampere

2.1. Michael Faraday (1791?1867) and James Clerk Maxwell: A unique relation

2.2. Andre-Marie Ampere (1775?1836): The contrast

3. Thomson, Stokes, Rankine, and Thomson and Tait

3.1. Introduction: Methodology in electromagnetism

3.2. William Thomson (1824?1907): From analogy to representation

3.3. George Stokes (1819?1903): Idealization

3.4. William J. M. Rankine (1820?1872): Energy-a novel unifying concept

3.5. William Thomson and Peter Tait (1831?1901): Abstract dynamics

3.6. Conclusion

4. Station 1 (1856?1858): On Faraday’s lines of force

4.1. A novel methodology: Modifying the methodology of analogy

4.2. The structure of Maxwell’s argument

4.3. From the general to the specific

4.4. Confronting Ampere’s theory

4.5. Conclusion

4.6. Appendix: A bibliographical note on Maxwell 1858

5. Station 2 (1861?1862): On physical lines of force

5.1. Introduction

5.2. Preliminary: From instrumentalism to causality

5.3. The methodology: Linking hypothesis to representation

5.4. Applying the methodology: Assumptions and their consequences

5.5. Part III: A landmark in the history of physics

5.6. Conclusion

6. Station 3 (1865): A dynamical theory of the electromagnetic field

6.1. Introduction

6.2. Part I: Marking the goal-the construction of a formal theory consisting of a set of general equations

6.3. Part II: The flywheel analogy

6.4. The methodology of reversing the argument

6.5. Intermediate summary

6.6. A physical theory in symbolic language

6.7. Conclusion

7. Station 4 (1873): A treatise on electricity and magnetism

7.1. Introduction

7.2. Framework

7.3. Novel methodologies

7.4. The impact of the new methodologies on the construction of the theory

7.5. Conclusion

8. Philosophical reflections on Maxwell’s methodological odyssey

8.1. Commitment

8.2. Modifications of methodologies

8.3. Methodologies in Maxwell’s practice

8.4. Concluding remarks

9. References