ADDENDA 545 



International Acetylene Association. 



Address. 157 Michigan Avenue, Chicago, 111. Secretary-Treasurer: A. 



Cressy Morrison. 

 History. Organized in 1898. 



Object. To promote the general welfare of its members and of the public as 



relating to all uses of acetylene and calcium carbide. 



Meetings. Annually in July, at place selected by the Executive committee. 

 Membership. 65. 



Publications. 



Report of the 6th-ioth annual meeting . . . 1903-07. Chicago [1903- 

 07]. 12 & 8. 



!QO5 (pub. at New York) has title Proceedings: 1906-07, Ninth-tenth 



annual meeting. 

 Price: $i per vol. On sale by the Secretary. 



Minnesota Academy of Social Sciences. 

 Address. Secretary-Treasurer: Frank L. McVey, 822 7th Street S. E., 



Minneapolis, Minn. 

 History. Organized in Apr. 1907. 



Object. The encouragement of the study of economic, political, social and historical 

 questions particularly affecting the State of Minnesota. 



Meetings. Annually in Dec. 



Membership. About 100 (annual dues, $2). 



Publications. 



Publications . . . v. I, no. I. 1908. 8. 



Contains papers on taxation. Proceedings to be published annually. 

 Price: $2 per vol. ($1.50 in paper). On sale by the Secretary-Treasurer. 



National Association of Cement Users. 



Address. Harrison Building, Philadelphia, Pa. 



History. Organized in 1905 ; incorporated in the District of Columbia, 

 Dec. 1906. 



Object. To disseminate information and experience upon and to promote the best 



methods to be employed in the various uses of cement. 



Meetings. Annually, the time and place being determined by the Executive board. 

 Membership. 528 (annual dues, $5). 

 Publications. 



PROCEEDINGS of the ist~3d annual convention, 1905-1907. v. I-III. 

 [Philadelphia, 1906-08]. 8. 



Price: v. i, $i ; v. 2-3, $3 each ($2 for extra copies to members). 



