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

Pari HI. Plat- 11.

erence of Level found to exist

The Parthenon The observed Diffe

tour Angles of the upper Step.

IN THE

N° 1 Smith East arujidjarDesufn,
level line 5-678 below Upper Step
Hie top of Pirate Stone Cornice

The North West angular Design
lowest step dees against tlie rock at (aj)

TheStvlobateoflhe SouthM angular
Design dies into the rock at(b)

^________ ? %. Nartjv West angularDesign

. ,, ,, ,. . . , uowest level line 6 -In below Jp'per -Step

A rircuc ozone Moulding is inserted/
to adjust the two Designs together frvm(e) to fit)

F,o 2 The south .side of the Parthenon.

N° 2 Design

South West, Angle/

level ■154-



W>. 1. Design.
South Hast Angle

/Level_line
IZZ7 South side L-

^aSSHWi**"'"" ////VWMWAV,,////////'.....

West angle 154, above the South East angle.

, ■ y ., 4,,s ,/' 0>W,w »•#*• « ro/fiu* of W7347 fee* ^ a ™e m- the centre at

I}wJIon,MaLUnes ontheNorth and South suies are-Arcs of ftv

the Step of 37 feel

Fig 3. The north side of Oie Parthenon

N° 2 Design
North West Angle/
imkQM

TsT° 2 Design.
Ay/rtfk East ^i^k-

V" I Design, ! Gwerv the whole height of the Step, mduJmg the I J^

South'East Angle \ Firaie Stone Corniee C..............................................

y° 2 Design. I fow *e "^^ /m#W c'r ^ Siyh,baU \ =6 . is

North West 'Angle | by caLadxd^ns..-

r K>°1 & \ N° 1 Desiqn whole. Ji eight 618. \

po'j^Altiw ' let 0" Kro*> m^uZd^ A equal the small Step B.045^7>tt

South West Angle I

MaMnq A A B touch equal to-95 excuses the Upper Step at the South West
Angle to be AM above the South hast Angle.

tj:,OtM, hlh, fatty <itP J&mdwfif-

L

'/foh/ri/, ..'h'Si/nAPtif det: