42 NEW 20,000 TON TANKERS. 
exactly the same size as the ordinary cargo tank, perhaps they would get used to it and 
not object to having another empty space on either side of it. 
Tue CHAIRMAN :—If there is no further discussion, we will extend our thanks to 
Mr. Norton and will pass on to the next paper, No. 4, entitled ‘‘Economical Cargo 
Ships,”’ second paper, by Mr. Alfred J. C. Robertson, Member. 
Mr. Robertson presented the paper. 
