Pennethorne, John; Robinson, John [Ill.]: The geometry and optics of ancient architecture: illustrated by examples from Thebes, Athens, and Rome (London [u.a.], 1878)

Part IV. Plate VII

Fig.l.

ctbcccxts___________^_

height of column ' " ,' ' — 4-,12 «=■ width, of abacus

■I-----------1-----------1-----------1-----------1-----------1----------h-----------1-----------1-----------,_______^__^______I

14 16 It:

i . n

lower diametei

yper diameter.

-J-----------------------------y-

..3 . 344

H-----------1

upper

height of capital.

H----------1----------h

height of base......-i_____i_____u

. 2 . 056.

abacus Z-llt _ ^57 modulus.

•257
8

•2-5-7
*2

..........

= '032125 = modulus for details of oapitcd.

= ■021416 sss modulus for details of bane.

A

H------------1_

73

h------------

.zipper diameter 2 . 827_______________^

F^. 2.

The rectangular spiral line of the No. I. spiral.

iliven lines-

AB BD DK

divide DK into 7 parts

B\

DK KA' AB''

7______ff.

divide A. 'B' into 7 parts,

AB' BD' DK'

divide D'K' into 7 parts

7-------6_____5

DK' K'A"']
1_____

\ K'A" A"B"

'A"B" B"D"

1_______6

and die three parallelograms ABDC, A'B'D't", A"B"D"C", are given, in dimension and in,positioi

i-t 1 vide K'A" iritv 7 parts

divide A"B" into 7parts

~D

The Volute of the Tonic Column itf T^ Ve sttbule of the Propyljea.

one half of the real «**

Fig.

10 HO

f'foft/riyr/tofvtifitrii, del/.

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