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SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 68 



y 



likely to give nearly 200 days per year favorable to solar radiation 

 work. He went personally to the station, engaged the use of a plot 

 of ground owned by Hufif Bros. & Reynolds and the erection of two 

 frame shelters thereon by a local contractor, W. H. Shores. The 

 spot selected is at about 4,800 feet elevation, but at some distance 

 below the top of the Hump, to avoid the tremendous winds which 

 often prevent a strong man from standing on his feet. The houses 

 were boarded within and without the joists, and the air space filled 



Fig. 24. — Gorge at Hampton, Tenn., near Hump Mountain, N. C. 



with shavings, to make them habitable in winter, for, notwithstanding 

 the low latitude, the thermometer occasionally goes to — 15° F. or 

 even colder on the mountain. 



The expedition went forward in May, 19 17, and the apparatus was 

 set up by Messrs. L. B. Aldrich and A. F. Moore. Observations 

 were begun June 17. Director C. G. Abbot spent several days there 

 early in July, instructing in the reduction of measurements. 



Messrs. A. F. Moore and L. H. Abbot carried on the work until 

 the close of 1917, and will continue it until the spring of 1918. 

 The hope entertained for favorable weather has been disappointed. 



