DOI Seite / Zitierlink:
https://doi.org/10.11588/diglit.4423#0094
60 THE APPARENT PROPORTIONS.
Fig. 5. The visual angles are all made commensurable one with another, and the true executed
heights are determined by calculation upon the plane HOZ.
The Vertical Coeeections obtained by calculation.
Column. Entablature. Steps. Pediment.
No. 1 Design . . . + *153 . . . + '161 . . . + -009 ... — -325.
THE SOUTH PORTICO OF THE EBECHTHEIUM.
This Portico possesses a separate interest from being a totally distinct design; the
proportions are different, the Entablature is supported by Caryatides instead of Columns, and
in the Entablature the frieze is omitted, and is simply composed of two members, the
Architrave and Cornice.
It is also an example of a design in which the corrections are omitted, and the
proportions are regulated by dividing the Upper Step into a given number of aliquot parts,
then, taking one of these parts for a modulus, all the heights and the projections become some
multiple of this given modulus. The South Portico is so small a design that it was probably
considered not requisite to apply the corrections that we meet with in the larger works.
The Peopoetions.
The whole length of the Upper Step of the Erechtheium on the return side is 75*005 ft., then
The length of the Upper Step of the South Portico is made equal to 7±%~ = 18*75 ft.
The whole height of the design equals the length of the Upper Step . . . = 18*75 ft.=225in.
225 in. -T- 150 = 1*5 in. = the modulus regulating all the heights and projections.
Given Heights, Fig. 1.
The height of the
- Steps
. = 1*5 in. x 19 -
28*5 in.
J? j?
Plinth .
. = 1*5 in. x 45 -
67*5 in.
j? j?
Caryatides
. - 1*5 in. x 62 -
93*0 in.
?> >?
Entablature
. = 1.5 in. x 24 -
36*0 in.
Parts 150 = 225*0 in.
Given Peojections, Fig. 2.
From Architrave to Stylobate . 1.5 in. x 3 = 4*5 in.
„ Stylobate to Upper Step
„ Upper Step to Corona .
„ Corona to Middle Step .
„ Middle Step to Lower Step
= 1*5 in. x 3 = 4.5 in.
= 1.5 in. x 3 = 4*5 in.
= 1.5 in. x 6 - 9*0 in.
- 1.5 in. x 9 - 13.5 in.
Parts 24 = 36.0 in.
Fig. 5. The visual angles are all made commensurable one with another, and the true executed
heights are determined by calculation upon the plane HOZ.
The Vertical Coeeections obtained by calculation.
Column. Entablature. Steps. Pediment.
No. 1 Design . . . + *153 . . . + '161 . . . + -009 ... — -325.
THE SOUTH PORTICO OF THE EBECHTHEIUM.
This Portico possesses a separate interest from being a totally distinct design; the
proportions are different, the Entablature is supported by Caryatides instead of Columns, and
in the Entablature the frieze is omitted, and is simply composed of two members, the
Architrave and Cornice.
It is also an example of a design in which the corrections are omitted, and the
proportions are regulated by dividing the Upper Step into a given number of aliquot parts,
then, taking one of these parts for a modulus, all the heights and the projections become some
multiple of this given modulus. The South Portico is so small a design that it was probably
considered not requisite to apply the corrections that we meet with in the larger works.
The Peopoetions.
The whole length of the Upper Step of the Erechtheium on the return side is 75*005 ft., then
The length of the Upper Step of the South Portico is made equal to 7±%~ = 18*75 ft.
The whole height of the design equals the length of the Upper Step . . . = 18*75 ft.=225in.
225 in. -T- 150 = 1*5 in. = the modulus regulating all the heights and projections.
Given Heights, Fig. 1.
The height of the
- Steps
. = 1*5 in. x 19 -
28*5 in.
J? j?
Plinth .
. = 1*5 in. x 45 -
67*5 in.
j? j?
Caryatides
. - 1*5 in. x 62 -
93*0 in.
?> >?
Entablature
. = 1.5 in. x 24 -
36*0 in.
Parts 150 = 225*0 in.
Given Peojections, Fig. 2.
From Architrave to Stylobate . 1.5 in. x 3 = 4*5 in.
„ Stylobate to Upper Step
„ Upper Step to Corona .
„ Corona to Middle Step .
„ Middle Step to Lower Step
= 1*5 in. x 3 = 4.5 in.
= 1.5 in. x 3 = 4*5 in.
= 1.5 in. x 6 - 9*0 in.
- 1.5 in. x 9 - 13.5 in.
Parts 24 = 36.0 in.