For more than two thousand years architectural design by the use of a modulus, except in the case of the classic orders, had been a lost art. - Ernest Flagg

While it is not hard to suggest improvements on common methods of design and construction, it is very hard to introduce them.

Many women do not like to sleep on the ground floor, being afraid to leave their windows open at night. With ridge-dormers standing open, the lower windows may be kept closed and locked, while the room will be perfectly ventilated without them.

Disadvantages... can be entirely removed by... the ridge-dormer. By its use space in the roof, otherwise of little value, becomes the most desirable. Instead of being gloomy, stuffy and hot, the dormers render it perfectly ventilated, light at all times, and cool in hot weather. In frame buildings, it is not so easy, because there must be tie beams... to withstand the thrust of the roof. ...Where low stone walls are used... the strength of the walls is sufficient to withstand the thrust...