THE THEORY OF CITY DESIGN. Ill 



nature of the street, the height of buildings, and the amount and 

 ldnd of traffic. The tendency to construct increasingly lofty 

 buildings and the necessity for electric tramways, both involve the 

 construction of wider streets than were formerly required. I con- 

 sider that a single row of trees should be planted next to foot- 

 walks or a double row in the middle of all the principal streets. 

 Engineering feature of streets. — The chief point to be kept in 

 view is to avoid divided authority and as much as possible the 

 construction and maintenance of the streets of our Federal City 

 should be concentrated in one authority, which should control 

 and maintain whatever tunnels and subways were required for 

 telephone service, water supply, gas, sewerage and electrical con- 

 ductors for power and light, so that there would be no possibility 

 of the traffic of the street being interfered with to an unnecessary 

 extent, and the various disturbing elements of this nature, which 

 we are all so familiar with in Sydney, would be avoided, with all 

 their unnecessary expenses and inconveniences to the public. 



Again, I see no reason why electricity should not be exclusively 

 used for tramway traction, light, and power, so that there would 

 he no real necessity for gas, or for the hydraulic system of trans- 

 mitting power such as we have in Sydney, as all the various 

 matters dealt with under this head could be more efficiently and 

 economically provided for by electricity, and the smoke nuisance 

 would be minimised. Incidentally I consider that measures should 

 be taken to stamp out the smoke nuisance, now that its prevention 

 is better understood. I quite agree with the necessity of public 

 parks and gardens, from the utilitarian, hygienic, and aesthetic 

 aspects of the question. The discussion cannot well be carried 

 much further until the site of the city is selected, and then the 

 real work may be commenced in which the principles dealt with 

 by Mr. Knibbs and brought out in the discussion, may be applied 

 in a practical manner. 



Mr. James Taylor, b.Sc, wh. s., etc. — The paper we have heard 

 from Mr. Knibbs is so well prepared that very little room is left 

 ior criticism. One little matter has occurred to me in reading: it 



