Smithsonian miscellaneous collections . notable value in the estimation of the temperatures ofthe stars and the study of stellar evolution. The two field stations at Mount Harqua Hala, Arizona, and ]\IountMontezuma, Chile, are continued in operation. The station on MountHarqua Hala, under the direction of Mr. Moore, has been much im-proved during the year. Owing to the driving rains and high winds,it proved necessary to sheathe the adobe building there with galva- 28 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 74 nized iron. At the same time all cracks for the entrance of wind,snow, and noxious
Smithsonian miscellaneous collections . notable value in the estimation of the temperatures ofthe stars and the study of stellar evolution. The two field stations at Mount Harqua Hala, Arizona, and ]\IountMontezuma, Chile, are continued in operation. The station on MountHarqua Hala, under the direction of Mr. Moore, has been much im-proved during the year. Owing to the driving rains and high winds,it proved necessary to sheathe the adobe building there with galva- 28 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 74 nized iron. At the same time all cracks for the entrance of wind,snow, and noxious insects and animals were closed. A small buildingwas erected to house the tools and electrical appliances used forcharging storage batteries and other purposes, and in this was ar-ranged a shower bath ingeniously contrived to give a continuousshower as long as desired with only about a gallon of water. Cementwater reservoirs for collecting and preserving the rain and snowwater from the roofs have been constructed, with a total storage. Fig. 32.—Mount Harqua Hala Solar Observing .^tation, Arizona. capacity of about two thousand gallons. A small porch was attachedto the dwelling quarters and the rooms have been neatly painted andcurtained. A listening in wireless outfit has been erected, and aso-called Kelvinator or sulphur dioxid refrigerating device forkeeping provisions and cooling water for drinking purposes has beeninstalled. The observatory owns a Ford truck which is kept in a sinall garagebuilt at the foot of the trail, and weekly mail and supply service ismaintained from Wenden to the mountain top. A telephone line isjust being erected to connect from Wenden to the observing station. SMITHSOXIAN EXPLORATIONS, 1C)22 29 The cost of these various improvements, which have made Hving onthe mountain very much more comfortable, has been borne by fundsprovided for the purpose by Mr. John A. Roebhng, of New Jersey,to whom the Institution is greatly indebted for his generous int
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