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Langley, Batty, 1696-1751 / The city and country builder's and workman's treasury of designs, or, The art of drawing and working the ornamental parts of architecture
(1756)

Chap. 1. Of the manner of proportioning the five orders of columns in architecture,   pp. [3]-16


Page 6

          Of ~he DO RICK ORDER.
in.~ Parts, and ~ of the upper Part divided in 3,
turned up.  The Proje&ion of the Plinth and
Cornice before the Upright of the Dado, is (as.
before obf~rved in the Tufean Order) always equal
to the Height of the Mo~Idings on the Plinth,
which here at m n, being divided in 4 Parts, the
Proje&ions of the Members in the Cornice and
Bafe are determined, as. exhibited by the perpen~
dicular dotted Lines.
P ROB. V. ~1fo proportion the Heights of the princi~
 pal Parts of the Dorick Culumn, Fig. I. P1.111.
   (i.) Divide fi the Height of the Column into
S Parts, and take r Part for the Diameter of the
Column at its Bafe: Therefore note, that the
Height of the Porick Column is 8 Diameters.
(z.) The Height of the Dorick Bafe and Capital
are each half a Diameter, as thofe of the ~T'~fcan.
PR 0 B. VI. ~to proportion the Heights of the Bafe
              of the Dorick Column.
   Divide f.h, Fig. II. Plate III. in 3 Parts, the
lower i Part is the Height of the Plinth T, and
~ of the Middle i, of the lower Torus S.  Half
the upper   Part, is the Height of the upper To.
rus 0, and the Remains between the two Torus's
 being divided in 6 Parts, give the upper and lower
 to the two Fillets P and R, and the Middle 4 tO
 the Scotia Q~  The Height of the Cin&ure N is
 half of the Height of the upper Torus.
  Ci,) Divide the Semidiameter i 3, in 3 Parts,
a.nd turn out z Part from ito k, for~the Proje&ion
of the Plinth, before the Upright of the Column.
(z.) Divide the ProjeCtion k i, into 4 Parts, the
firft one and a half, terminates the Proje&ion of
the Fillet R; and 2 Parts and half, the Center
of the upper Torus 0, and CinCture M.
PR 0 B. IX.  ro de/cribe the Scotia Q at large,
             as at g, Plate III.
  Divide its' Height in 3 Parts, and fet one Part,
from the fecond Part towards the Right Hand;
then the Points * * are the Centers on which the
Scotia may be defcribed as required.
PROB. X. 9Jo determine the Projeflions of the Me,,,-
  bers of the Dorick Capital, Fig. II. Plate III.
  Divide the Semidiameter of the Column at its
AfLragal on its Abacus, into 2 Parts, and turn
out i Part for the Pro,je&ion of the Abacus;
which divide in 4 Parts, and te~rminate the Pro-
jeCtions of the Members, as exhibited by the
dotted perpendicular Lines.  The ProjeCtion of
the Aifragal H I, is determined the fame, as that
of the ru/can Order.
P R 0 B. XI.  to proportion the Heights of the
  principal Parts  of the  Dorick Entablature,
  Plate IV.
P R 0 B. VII.  ~Tfo proportion the Heights of the
               Dorick Capital.
 Divide a b
Parts, give 2
the Freeze L,
the given Height into 8 equal
to the Architrave MN 0 P, 3 to
and 3 to the Cornice.
 Divide 4 the Height of the Capital, Fig. II.
Plate ILI. into 3 Parts, and ~ the upper x into 3;
give the upper x to the Fillet A, the other 2 tO
the Cima reverfa B, and the other ~. Part to the
Abacus C.  Divide the Middle Part in 3, give
the upper 2 to the Ovolo D, and the other i to
an Aftragal and Fillet, or Fillet and Caveto, or
Cima rcverf~, or to three Annulets, at Pleafure.
The Height of the Hypotrachelium G, or Neck,
of the Capital, is the lower z Part, and the Height
~the Atiragal ~ thereof, as' before in the Tufcan;
The Shaft of this Column is diminifhed .j. at its
Aftrag~l in Manner aforefaid.
PRO B. VIII. fTo determine the Projetlions of the
   Members of the Ba/c of the Dorick Column.
P R 0 B. XII.  Tii proportion the~ He:~hts of the
     Members of the Dorick Architrave.
 Divide the upper ' Part of the Architrave in
3, the upper 1 is the Height of the Tenia M,
and the lower 2 Parts, divided in 3 Parts, the
upper ' Part is the Height of the Fillet N, and
the next 3 Parts of the Gwtta's or Drops 0.
P R 0 P. XIII.  T~o proportion the He~hts of
       Members of the Dorick Cornice.
  Divide the two upper Parts of the Height of
the Cornice into 3 Parts, and the upper I, in 4
Parts; give the upper i to the Regula A, and
the other 3 to the Caveto or Cima reCta B.  Di-
                                            vide
6


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