564 SCIENTIPIC NOTES AND NEWS 



Mr. John Boyle, Jr., assistant examiner in the Patent Office, has 

 resigned his position and will open an office in Washington for the prac- 

 tice of patent law. 



Dr. F. C. Brown, formerly associate professor of physics at the 

 University of Iowa, has been appointed technical assistant to the director 

 of the Bureau of Standards. During the war he was commissioned 

 major in the Ordnance Department of the Army, and was engaged in 

 research on problems of aircraft armament. 



Mr. E. R. Clark, of the Bureau of Standards, has resigned to 

 accept a position with the Standard Textile Products Company of New 

 York City. 



Mr. John B. Ferguson has presented his resignation from the Geo- 

 physical Laboratory, Carnegie Institution of Washington, to be in 

 effect November i, and has accepted a research position with the 

 Western Electric Company in New York City. 



Messrs. A. N. Finn and L. J. Gurevich, of the Bureau of Standards, 

 have resigned to accept positions as Chief of the Technical Section of the 

 Development Department, and Research Metallurgist, respectively, 

 with the Hydraulic Pressed Steel Company of Cleveland, Ohio. 



Dr. H. D. GiBBS, of the Bureau of Chemistry, has resigned to take 

 up work with E. I. du Pont de Nemours and Company, of Wilmington, 

 Delaware. 



Mr. H. D. Holler has resigned from the Bureau of Standards and 

 is now at the Parlin Laboratory of E. I. du Pont de Nemours and Com- 

 pany, of Wilmington, Delaware. 



Mr. F. J. Katz has been granted leave of absence from the Mineral 

 Resources division of the U. S. Geological Survey in order to accept an 

 appointment as Expert Special Agent in charge of Mines and Quarries 

 for the Bureau of the Census. This arrangement is to insure close and 

 effective cooperation between the two bureaus in the Fourteenth 

 Census. 



Mr. Willis T. Lee, geologist of the Geological Survey, will be absent 

 from Washington until February, 1920, in order to deliver a course of 

 lectures at Yale University. 



Mr. Richard B. Moore, until recently stationed at the Bureau of 

 Mines' experiment station at Golden, Colorado, has been appointed 

 chief chemist of the Bureau, to succeed Dr. C. L. Parsons, resigned. 



Mr. J. G. Riley, formerly with the Bureau of Chemistry, and re- 

 cently Captain in the Sanitary Corps, is now in the laboratory of the 

 Bureau of Internal Revenue, Treasury Department. 



Mr. F. J. Schlink, a member of the staff of the Bureau of Standards 

 since 1913, and for the past two years technical assistant to the Di- 

 rector, has resigned to carry on physical research for the Firestone Tire 

 and Rubber Company of Akron, Ohio. Mr. Schlink recently received 

 an award of the Edward Longstreth Medal of the Franklin Institute 

 for his invention of an improved type of weighing scale. 



