Certain combinations of dimensions produce harmonious results, but since the time of the ancient Greeks no system of design, consistently base on tha… - Ernest Flagg

Economy in building consists in the aggregate of a great number of savings, which when considered separately may seem trivial, but when combined are important. The list of those here provided for... may be divided into classes as follows:

Variety. ...Movement, contrast, and accent all contribute to variety... the spice of life... Monotony and dryness are lurking enemies which may be vanquished by variety.

2d. Saving space: (a) By the utilization of the large volume of space contained in the slopes of roofs... (b) by the reduction of floor thickness... (c) by the utilization of space (as on shipboard) for lockers, cupboards, closets, etc... (d) by the use of thin partitions... and (e) by elimination of corridors... so that the least possible area may be required for communication.