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PROCEEDINGS OF THE SECTIONS 



(IN ABSTRACT.) 



CIVIL AND MECHANICAL ENGINEERING SECTION. 



At the preliminary meeting held in April, the following officers 

 were elected : — Chairman : Mr. Cecil Darley, m. inst. c.e. Hon. 

 Secretary : Professor Warren, m. inst. c.E. Committee: Mr. J. A. 

 McDonald, m. inst. c.e., Mr. H. Deane, m.a., m. inst. c.e., Mr. W. 

 Shellshear, a.m. inst. c.e., Mr. Henson, c.e. 



Monthly meeting held May 13, 1891. 

 Mr. C. Darley-, in the Chair. 

 The Chairman delivered an address in which he defined the 

 aims and objects of the Section with regard to papers to be read 

 and discussed, which should consist of the following : — 



1. Descriptive accounts of works carried out with full details 



of cost, difficulties met with and overcome. 



2. Researches on the strength and durability of materials of 



construction, more particularly with regard to the materials 

 available for use in the various portions of this Colony. 



3. Records of failures and their causes. 



The Chairman also referred to the professional training of Civil 

 Engineers, and urged the importance of the course of instruction 

 provided by the University of Sydney in the Engineering School 

 as a basis for future professional work. 



Professor Warren read a paper on " Recent researches on the 

 Strength, Elasticity and Endurance of Materials of Construction 

 with especial reference to Iron and Steel. Considerations with 

 reference to the determination of the Safe Working Stresses in 

 Structures." 



The following gentlemen took part in the discussion, Mr. J. A. 

 McDonald, Mr. Deane, Mr. Houghton, Mr. Shellshear, Mr. 



