Ivi I'ROCEKDINUS. 



SixTii OijDixAUv .Meeting. 



lluusc of Assciiihli/. rmrliicr Jiiiihli it;/ . Unlifax; '2Jftli April, 

 1909. 



Tlie First Vice-President, Dk. ,I. E. Wood^max, in tlie chair. 



The following papers were read : — 



(1) "Geological Conditions affecting the Water Supply of 

 Halifax." By H. Cavanagh and D. Stairs, Dalhousie C'ollege. 

 Discussed hy Dr. A. H. MacKay. 



(2) '^Weathering of Structural Stones in Halifax." By C. 

 J. Mackenzie and G. L. Crichton,. Dalhousie College. Discussed 

 by H. Piers. 



(3) "Cement Testing in tlie Engineering Laboratories of 

 Dalhousie University." By H. W. Flemming, Dalhousie College. 

 This paper which gave results of tests made of Sydney slag-cement, 

 was discussed by W. L. Bishop, A. L. McCallum, T. V. Hill, 

 Dr. a. H. MacKay, H. Piers, and G. M. J. MacKay. 



(4) "Effects of Ice Action near Grand Lake, Cape Breton 

 county." By W. S. Brodie. B. A., Lunenburg, N. S. (See 

 Transactions, p. 253). Discussed by Dr. A. H. MacKay. 



(5) "The Influence of Aluminium Salts on the Estimation 

 of Sulphates." By H. Jermain M. Cretghton. M. A., Birming- 

 ham University, BiiTninghani, England. (See Transactions, vol. 

 xii, pt. 2, p. 207). 



A vote of thanks was presented to tlie non-membors who had 

 presented papers. 



ITvitRY Piers, 



Brrordiiig Scrrdary. 



