Smithsonian miscellaneous collections . nted 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
Smithsonian miscellaneous collections . nted 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 interestin its solar radiation program. A notable case of fluctuation in the solar radiation has recentlybeen reported from the Arizona station. A fall of 5 per cent inthe solar heat occurred, beginning about the 15th of October and. -Mount Harqua Hala and garage at foot, Arizona. reaching its minimum on the 21st, and then quickly recovering tothe normal by the 25th. By inquiry at the U. S. Naval Observatory,it is learned that a very notable new group of sun spots was formed,the first indications appearing about the 17th of October and the groupreaching great dimensions by the 21st when it neared the limb of thesun and shortly disappeared over the edge, due to the solar occurrence is nearly parallel to that of March, 1920, when asimilar great drop in the solar heat occurred and a very extraordinarysun-spot group passed over the sun. 30 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 74 EXPEDITION TO EXAMINE THE NORTH PACIFIC FUR SEALISLANDS The Department of Commerce wishing to obtain exact informa-tion as to the status of the fur seal herd on the Russian seal islands,situated off the coast of Kamchatka and known as the Komandorskior Commander Islands, with special
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