258 



SCIENCE 



[N. S. Vol. XLVI. No. 1185 



ommended are in operation or until further 

 need arises. 



9. While the preceding recommendations in- 

 clude all the measures that can now judiciously 

 be taken for the fixation of nitrogen and the 

 oxidation of ammonia, it is the opinion of 

 the conunittee that the immediate accumula- 

 tion and the permanent maintenance of an 

 ample reserve, not less than 500,000 tons of 

 Chile saltpeter, is the measure most urgently 

 necessary. 



The Nitrate Supply Committee comprised 

 the following Army and Navy officers, scien- 

 tific men and engineers : 



Brig. Gen. William Crozier, Chief of 

 Ordnance, War Department; Rear Admiral 

 Ealph Earle, Chief of the Bureau of Ord- 

 nance, Navy Department; Brig. Gen. William 

 M. Black, Chief of Engineers U. S. A.; F. W. 

 Brown, Bureau of Soils, Department of Agri- 

 culture; Leo H. Baekeland, Tonkers, N. Y. ; 

 Gano Dunn, New York City; Charles H. 

 Herty, New York City; William F. Hille- 

 brand. Bureau of Standards, Department of 

 Commerce; Arthur A. Noyes, Institute of 

 Technology, Boston, Mass.; Charles L. Par- 

 sons, Bureau of Mines, Interior Department; 

 and Willis E. Whitney, Schenectady, N. Y. 



THE ARMY AVIATION SCHOOL AT THE UNI- 

 VERSITY OF CALIFORNIA 



In the United States Army School of Mili- 

 tary Aeronautics at the University of Cali- 

 fornia the following appointments have been 

 made : 



Major Arnold N. Kroggtad, J.M.A., Signal Corps, 

 commandant, quartermaster, ordnance officer, sum- 

 mary court, president of examining board. 



Dr. B. M. Woods, president of academic board. 



First Lieutenant Bruno F. Sandow, Medical Ee- 

 serve Corps, post surgeon, member of examining 

 board. 



First Lieutenant Gerald F. Stoodly, Dental Re- 

 serve Corps, dental surgeon. 



M. S. E. Herman H. Walker, Signal Corps, re- 

 tired, clerk, commandant's office. 



M. S. E. Milton N. Williams, Signal Corps, re- 

 tired, acting quartermaster sergeant. 



Private Joseph L. Walker, A.S., Signal Corps, 

 assistant instructor in rigging. 



Professor B. F. Eaber, associate professor of 



mechanical engineering and professor of aeronaut- 

 ical engines. 



D. J. Conant, professor of aeronautical engines. 

 Donald B. McFarlane, instructor in gas-engine 



practise. 



F. H. Bachman, instructor in internal-combus- 

 tion engines. 



Collier Eaber, mechanic and tool-room keeper. 



J. A. Polhemus, instructor in theoretical me- 

 chanics. 



H. M. Jeffers, instructor in astronomy and 

 meteorology. 



W. D. Waterman, instructor in rigging, structure 

 and care of aeroplane. 



E. J. HefEner, instructor in maps and reconnais- 

 sance. 



E. N. D 'Oyly, instructor in artillery observation 

 and use of miniature artillery range. 



Dr. L. T. Jones, instructor in physics and pro- 

 fessor of machine guns. 



F. S. Stockton, G. E. McDonald and Herbert 6. 

 KusseU, instructors in machine g-uns. 



E. B. McPherson, instructor in wireless and sig- 

 naling. 



Harold Fielder, instructor in wireless. 



E. S. Pillsbury and E. F. Steen, instructors in 

 military tactics and lecturers. 



Clifton E. Gordon, J. C. Moses and G. G. 

 Mitchell, instructors in military tactics. 



F. W. Cozens, instructor in physical education. 

 Grandison Gardner, instructor. 



APPOINTMENTS IN THE ORDNANCE DEPART- 

 MENT OF THE ARMY 



The United States Civil Service Commis- 

 sion announces the following open competi- 

 tive examinations for positions in the several 

 ordnance establishments of the War Depart- 

 ment or in or under the office of the Chief of 

 Ordnance, War Department, Washington, 

 D. C. The salaries named are for entrance. 

 Mechanical engineer, artillery ammunition, $3,000 



to $3,600 a year. 

 Mechanical engineer, experimental work, $2,500 to 



$3,000 a year. 

 Mechanical draftsman, $1,000 to $1,400 a year. 

 Apprentice draftsman, $480 a year. 

 Inspector of artillery ammunition, $1,500 to $2,400 



a year. 

 Inspector of field artillery ammunition steel, $1,500 



to $2,400 a year. 

 Assistant inspector of field artillery ammunition 



steel, $3.50 to $5 a day. 



