CURRENT PAPERS. 129 



cracks appeared. Judging from tests made with concen- 

 trated loads on other objects, the breaking down ought to 

 have occurred with under 100 tons loading. 



In conclusion the author desires to thank Mr. James 

 Fraser, Engineer-in-Ohief for Existing Lines, and Mr. W. H. 

 Davidson, Divisional Engineer, under whose supervision 

 this test was carried out, for their courtesy in supplying 

 the necessary information to enable him to place before 

 you the particulars of this test. 



CURRENT PAPERS, No. 8. 



By H. A. Lenehan, f.r.a.s., Acting Government 

 Astronomer. 



[With Diagrams.] 



[Read before the Royal Society of N. S. Wales, August 3, 1904.~] 



Two years have nearly elapsed since Mr. Russell read his 

 last Ocean Current paper before this Society, and owing to 

 his recent illness it has fallen to my lot to present this 

 pamphlet to you, which makes No. 8 of the Series. 



For a long time past, since 1888, papers have been supplied 

 to masters of ships trading to this port, but owing to the 

 new Federal Postal Regulations (which came into force in 

 the latter part of 1902) doing away with the frank post on 

 State Government documents, it was thought advisable to 

 discontinue spreading the forms broadcast owing to the 

 expenditure that would be incurred in postage. Now only 

 ship masters who make written or personal application for 

 the forms receive them. Under the present system it was 

 only natural that the numbers received monthly would 



I— Sept. 7, 1S04. 



