NO. I ADVISORY COMMITTEE, LANGLEY LABORATORY 3 



from year to year, and on which they are to make quarterly reports 

 to the Chairman followed by an annual report. Each Subcommittee 

 comprises a Chairman who must be a member of the Advisory Com- 

 mittee, and others, chosen b}' him from that Committee or elsewhere. 



AGENCIES. RESOURCES, AND FACILITIES 



Sviitlisoiiiaii Iiistitittioii. — The Advisory Committee has been pro- 

 vided by the Smithsonian Institution with suitajjle office head- 

 quarters, an administrative and accounting system, library and publi- 

 cation facilities, lecture and assembly rooms, and museum space for 

 aeronautic models. The Langley Aerodynamical Laboratory has an 

 income provided for it not to exceed ten thousand dollars the first year 

 (of which five thousand dollars has been allotted), and five thousand 

 annually for five years. 



U. S. Bureau of Standards. — For the exact determination of aero- 

 physical constants, the caliliration of instruments, the testing of 

 aeronautic engines, propellers and materials of construction, the 

 Committee has the cooperation of the U. S. Bureau of Standards, from 

 which the Secretary of Commerce has designated one representative. 



This Bureau has a complete equipment for studying the mechanics 

 of materials and structural forms used in air-craft ; for standard- 

 izing the physical instruments — thermometers, barographs, pressure 

 gauges, etc. — used in air navigation ; and for testing the power, 

 efficiency, etc.. of aeronautical motors in a current of air representing" 

 the natural conditions of flight. 



In these general branches the technical staff of the Bureau is 

 prepared to undertake such theoretical and experimental investiga- 

 tions as may come before the Advisory Committee on behalf of 

 either the Government or private individuals or organizations. 



U. S. JVcathcr Btireati. — For studies of and reports on every phase 

 of aeronautic meteorology, besides the usual forecasting, the Com- 

 mittee has the cooperation of the U. S. Weather Bureau, from which 

 the Secretary of Agriculture has designated one representative. 



This Bureau has an extensive library of works on or allied to 

 aeronautics, an instrument division for every type of apparatus for 

 studying the state of the atmosphere, a whirling table of thirty foot 

 radius for standardizing anemometers, a complete kite equipment with 

 power reel, and a sounding balloon equipment with electrolytic hy- 

 drogen plant, all of which are available for scientific investigations.. 

 For special forecasts, anticipating field tests or cross country voyages, 

 the general service of the Bureau may be called upon. 



