Fig. 9. Recording apparatus for electrical conductivity of the atmosphere 



Fig. 10. The scientific staff aboard the Carnegie . Front row, left to right: W. C. Parkinson, senior scientific 

 officer; Captain J. P. Axilt, commander and chief of scientific staff; J. H. Paul, surgeon and observer. Back 

 row, left to right: F. M. Soule, electrical engineer; J. A. Jones, radio operator and observer; W. E. Scott, 

 navigator and commissary; H. R. Seiwell, chemist and biologist; O. W. Torreson, navigator and executive 

 officer 



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