| 1. | 
        
    
1923 | text | Journal of Electricity | 
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                | 2. | 
        
    
1923 | text | Journal of Electricity | 
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                | 3. | 
        
    
1923 | text | Journal of Electricity | 
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                | 4. | 
        
    
1923 | text | Journal of Electricity | 
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                | 5. | 
        
    
1923 | text | Journal of Electricity | 
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                | 6. | 
        
    
1923 | text | Journal of Electricity | 
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                | 7. | 
        
    
1923 | text | Journal of Electricity | 
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                | 8. | 
        
    
1917 | text | Journal of Electricity | 
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                | 9. | 
        
    
1917 | text | Journal of Electricity | 
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                | 10. | 
        
    
1917 | text | Journal of Electricity | 
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                | 11. | 
        
    
1917 | text | Journal of Electricity | 
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                | 12. | 
        
    
1917 | text | Journal of Electricity | 
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                | 13. | 
        
    
1917 | text | Journal of Electricity | 
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                | 14. | 
        
    
1917 | text | Journal of Electricity | 
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                | 15. | 
        
    
1921 | text | Journal of Electricity | 
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                | 16. | 
        
    
1921 | text | Journal of Electricity | 
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                | 17. | 
        
    
1921 | text | Journal of Electricity | 
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                | 18. | 
        
    
1921 | text | Journal of Electricity | 
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                | 19. | 
        
    
1899 | text | Journal of Electricity | 
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                | 20. | 
        
    
1899 | text | Journal of Electricity | 
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                | 21. | 
        
    
1899 | text | Journal of Electricity | 
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                | 22. | 
        
    
1899 | text | Journal of Electricity | 
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                | 23. | 
        
    
1899 | text | Journal of Electricity | 
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                | 24. | 
        
    
1899 | text | Journal of Electricity | 
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                | 25. | 
        
    
1899 | text | Journal of Electricity | 
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