May 5, 1905.] 



SCIENCE. 



701 



Assembly Hall of the Cosmos Club. The 

 following program was presented: 



The first paper for the evening was delivered 

 by Dr. N. Monroe Hopkins, upon ' The Con- 

 struction and Operation of Small Electric 

 Furnaces.' The necessary apparatus and ap- 

 pliances were exhibited and a description of 

 the construction and operation of several fur- 

 naces was given. 



Dr. Chas. W. Waidner, of the National 

 Bureau of Standards, delivered an address 

 upon ' Available Methods of Measuring Tem- 

 perature.' Niimerous stereopticon illustra- 

 tions were shown and specimens of various 

 forms of thermometers, pyrometers, etc., were 

 described and exhibited. 



An adjourned meeting of the Chemical So- 

 ciety of Washington was held Saturday even- 

 ing, April 15, 1905, in the chemical lecture 

 hall of the Johns Hopkins University, Balti- 

 more, Md. 



After a short address of welcome to the 

 Washington members by President Kemsen, 

 the following program was presented: 



The first paper, entitled ' A New Combus- 

 tion Furnace,' was presented by Dr. H. N. 

 Morse. A complete furnace connected up 

 ready for operation was shown on the lecture 

 table and a full description of the construc- 

 tion, uses and advantages of the new furnace 

 was given. 



The second paper, entitled ' New Appliances 

 in the Works Laboratory,' was presented by 

 Dr. Edward Kellar. A stirring and also filter- 

 ing apparatus, providing for the manipulation 

 of a series of solutions at a single operation 

 was illustrated and described. A number of 

 improved tongs, etc., for use in handling sets 

 of scorifiers, lead buttons, cupels, etc., at one 

 time in fire assays, were shown and their use 

 described. 



A paper entitled ' New Evidence Bearing 

 upon the Existence of Hydrates in Solution ' 

 was presented by Dr. H. C. Jones. 



The last communication of the evening was 

 presented by Dr. G. W. Lehmann, who gave 

 a description of the investigations which the 

 health department of Baltimore has recently 

 instituted to determine if possible whether the 



high infantile mortality in certain sections of 

 Baltimore could be connected with the milk 

 supply of those sections of the city. The re- 

 sults of the investigation indicated that the 

 trouble was probably due to inferior brands 

 of condensed mill? which are consumed in 

 large quantities by the residents of south 

 Baltimore. A. Seidell, 



Secretary. 



THE AMERICAN CHEMICAL SOCIETY. 

 NORTHEASTERN SECTION. 



The fifty-ninth regular meeting of the sec- 

 tion was held on Friday evening, March 31, at 

 the ' Tech Union,' Massachusetts Institute of 

 Technology, with President Norris in the 

 chair. About 100 members were present. 



Mr. George W. Kolfe was elected a member 

 of the executive committee to fill the vacancy 

 caused by the death of Dr. C. O. Weber. 



A eulogy of the late Mr. Frederick J. War- 

 ren was read by Mr. Kobert S. Weston. 



The meeting was devoted to a discussion of 

 the subject, ' Expert Chemical Evidence.' Mr. 

 Arthur D. Little opened the subject with a 

 historical introduction, and treated the sub- 

 ject from the side of an expert in patent 

 causes. Professor E. J. Bartlett described the 

 procedure and position of an expert witness 

 in criminal cases. Professor Henry Car- 

 michael discussed some of the evils of present 

 court procedure in relation to the positions, 

 and the qualifications necessary for a success- 

 ful expert. Dr. B. F. Davenport gave a rem- 

 iniscent account of varied experiences as 

 an expert witness. Professor L. P. Kinnicutt 

 discussed the position of the expert in relation 

 to his clients and the court. Mr. A. E. Leach 

 described the position of the state expert in 

 cases of prosecution for infractions of the 

 pure food laws. Professor S. P. Sharpies dis- 

 cussed the position of the expert towards the 

 lawyer, who is conducting the case for his 

 client. Arthur M. Comet, 



Secretary. 



THE SCIENCE CLUB OF THE UNIVERSITY OP 

 WISCONSIN. 



The seventh meeting of the club for the 

 year 1904-5 was held on Tuesday, April 18, 



