PART IV. Of the EFFECT of UTILITY upon the sentiment of approbation.
SECT. I. Of the beauty which the appearance of UTI|LITY bestows upon all the productions of art, and of the extensive influence of this species of beauty.
THAT utility is one of the principal sources of beauty has been observed by every body, who has considered with any attention what constitutes the nature of beau|ty. The conveniency of a house gives plea|sure to the spectator as well as its regularity, and he is as much hurt when he observes the contrary defect, as when he sees the cor|respondent windows of different forms, or the door not placed exactly in the middle of the building. That the fitness of any system or machine to produce the end for which it was intended, bestows a certain propriety and
