III.

In royal 8vo, with Copperplate Illustrations, price 5s.,

THE ORTHOGRAPHIC BEAUTY OF THE PARTHENON REFERRED TO A LAW OF NATURE.

To which are prefixed, a few Observations on the Importance of Æsthetic Science as an Element in Architectural Education.

_From the Scottish Literary Gazette._

We think this work will satisfy every impartial mind that Mr Hay has developed the true theory of the Parthenon—that he has, in fact, to use a kindred phraseology, both _parsed_ and _scanned_ this exquisitely beautiful piece of architectural composition, and that, in doing so, he has provided the true key by which the treasures of Greek art may be further unlocked, and rendered the means of correcting, improving, and elevating modern practice.

_From the Edinburgh Guardian._

Again and again the attempt has been made to detect harmonic ratios in the measurement of Athenian architecture, but ever without reward. Mr Hay has, however, made the discovery, and to an extent of which no one had previously dreamt.