The artists repository and drawing magazine: exhibiting the principles of the polite arts in their various branches (3.1789)

happy medium between the thronged Pycnostyle and the
scattered Arlostyle; and as permitting also sufficient
pasiage between the pillars.
When columns are coupled, as the increase of
strength is proportionally augmented, the couples may be
separated by a wider interval than single columns, with-
out injuring the general effedt. But four diameters is
usually thought quite sufficient.
PLATE XII.
Shews the proportions of the orders to each other on
the same scale ; the elevation and tapering of the shaft,,
and the advance of richness and ornament, is apparent.
GENERAL PRINCIPLES
IN DRAWING THE ORDERS.
The orders are generally measured by the diameter os
their column at the bottom of its shast: this diameter is
usually divided into sixty minutes ; and by these measures
the whole is adjusted.

The Doric column is in height
8 diameters
The Ionic -
9
The Corinthian
IO
The Tuscan - - -
7
The Composite -
10

The proportion of the columns being fixed, the other
parts of the orders are adjusted to them.
The entablatures of the Tuscan, and Doric, are in
height one-fourth of the columns : of the Ionic, Corin-
thian, and Composite orders, one-fifth. Which by the
diamemeter of the columns is in this proportion.

The