CARNEGIE INSTITUTION OF WASHINGTON. 241 



to the Commonwealth Weather Bureau of Western Austraha. Comparisons 

 between the standard instruments of the Observatory and Carnegie Institution 

 of Washington magnetometer-inductor No. 24 were made in April. 



Monthly tabulations of data, statements of the magnetic character of days 

 as recorded at the observatory, and reports on magnetic storms and earth- 

 quake shocks recorded on the magnetograms were forwarded regularly (see 

 p. 266). 



In conjunction with the State Department of Agriculture of Western Aus- 

 tralia, certain agricultural experiments have been undertaken. A telephone 

 line connecting the observatory with the exchange at Watheroo was com- 

 pleted. Some experiments were made as to an economical type of road con- 

 struction, but it appears that the purchase of a caterpillar type of automobile 

 is the most feasible solution of the problem of more rapid transportation 

 between the Observatory and the railway station at Watheroo; a whole day 

 is now required for the round trip of 24 miles, using a horse-drawn vehicle. 



Dr. Wait, as a delegate from the Institution, attended the Second Pan- 

 Pacific Science Congress at Melbourne and Sydney August 13 to September 3, 

 and presented a paper on the equipment and work of the Watheroo Magnetic 

 Observatory (see abstract, p. 266). It is gratifying to record the continued 

 cordial attitude towards the Observatory of the government officials and lead- 

 ing men of science of Western Australia. Free entry was accorded for all 

 equipment and apparatus. 



Huancmjo Magnetic Observatory, Peru. — The observatory continued in 

 charge of Mr. W. F. Wallis through June 30, when Mr. W. C. Parkinson 

 succeeded him. Mr. C. M. Little continued to serve as assistant observer 

 throughout the year. The magnetographs were in continuous operation and 

 functioned with scarcely any loss of trace. The daily meteorological ob- 

 servations were continued. The duplex recording apparatus for photographic 

 registration of both the negative and the positive electrical conductivity of 

 the atmosphere was received at the observatory in June and installed in the 

 specially designed observatory; continuous recording was begun in September. 

 Other new instrumental installations included a mercurial barometer mounted 

 in the office, a Jordan sunshine recorder, and a United States Navy type of 

 wireless receiving apparatus, together with aerial and appurtenances for the 

 reception of wireless time-signals. 



Monthly tabulations of data, statements of the magnetic character of days 

 as recorded at the observatory, and reports on magnetic storms and earth- 

 quake shocks recorded on the magnetograms were forwarded regularly (see 

 p. 266). 



The atmospheric-electric and earth-current house, constructed of concrete, 

 following the same design as that at Watheroo, was completed early in 

 February. A concrete house of four rooms, including servants' room, store- 

 room, room for electric plant, and workshop, was completed. A Delco 

 electric-lighting plant and a Delco shallow-well water system were installed. 



Valuable aid was rendered by local residents, the United States embassy 

 at Lima, and by the Peruvian government, which granted free entry of all 

 equipment and apparatus. 



Apia Observatory, Western Samoa. — Cooperation with the New Zealand 

 government at the Apia Observatory was maintained throughout the year. 

 During October and November Professors Marsden and Sommerville, of New 

 Zealand, inspected the observatory on behalf of the New Zealand Scientific 

 Honorary Board of Advice and the Department of Terrestrial Magnetism. 

 Beginning with January 1, Mr. Andrew Thomson, the Department's repre- 

 sentative, was asked by the Board to serve as acting director of the observa- 

 tory, with the aid of Mr. C. J. Westland as chief assistant. 



