equal a quarter of a mile.

1 Hectare (10000 sq. metres) = 2.47 acres (11955 sq. yds.).

1 Acre = nearly 69-1/2 x 69-1/2 yds. (208.7 ft. square) = 4840 sq. yds.




CHAPTER I

PRELIMINARY REMARKS


Town-planning--the art of laying out towns with due care for the
health and comfort of inhabitants, for industrial and commercial
efficiency, and for reasonable beauty of buildings--is an art of
intermittent activity. It belongs to special ages and circumstances.
For its full unfolding two conditions are needed. The age must be one
in which, whether through growth, or through movements of population,
towns are being freely founded or freely enlarged, and almost as a
matter of course attention is drawn to methods of arranging and laying
out such towns. And secondly, the builders of these towns must have
wit enough to care for the well-being of common men and the due
arrangement of ordinary dwellings. That has not always happened. In
many lands and centuries--in ages where civilization has been tinged
by an under-current of barbarism--one or both of these conditions have
been absent. In Asia during much of its history, in early Greece, in
Europe during the first half of the Middle Ages, towns have consisted
of one or two dominant buildings, temple or church or castle, of one