Magnetical Investigations (Paperback)

Part III: 1. General view of magnetical phenomena; 2. On the action of terrestrial magnetism on iron and steel of various kinds; 3. On the effects of percussion, bending, friction and other mechanical action; 4. On the development of magnetical properties; 5. Indications, explanatory of certain peculiar magnetic phenomena; 6. On the application of principles affecting the magnetical condition of iron; Part IV: 1. On the general disturbing influence of the iron in ships on the action of the compass; 2. On the effects of percussion on heavy plates of rolled iron; 3. On the special condition of the magnetisms in iron ships; 4. Experimental researches on the operation of principles effecting changes in the distribution of the magnetisms in iron-built ships; 5. On certain special influences calculated, not improbably, to affect the magnetic distribution; 6. Practical deductions and suggestions; 7. Cases, incidents and examples.