NO. 12 



SMITHSONIAN EXPLORATIONS, I917 



27 



Cloudiness was nearly continuous until October, and though no doubt 

 this season was exceptionally bad, yet, even in the long stretch of fine 

 weather of October and X^ovember. the values obtained were fre- 

 quentlv ruined by clianges of the atmospheric transparency. It is 



Fig. 25. — Observatory and cook-house, 



lliimp Mountain, N. C. 



Fig. 26.— L. II. Al.lxit <)l>scrvini: 

 sky-radial inn. 



expected that results of special value will occasionall)' be obtained 

 in the winter, (nving to the low Icinprr.iturc and low humidity then 

 prevailinj.;', but tlierc is no encDUragrmenl to ((inlinuc the observatory 

 for a term of years. 



