The planning and construction of American theatres (1903)
Birkmire, Wm. H. (William Harvey), 1860-1924 · New York : J. Wiley · leaf 176
smaller steps of these aisles in the gallery should be as few as possible and easy, none over 8 inches in height. The level floor of the parquette and parquette circle in this theatre is constructed with the ordinary method of steel beams supported upon small cast-iron columns and filled between… … BALCONY CONSTRUCTION, EMPIRE THEATRE. the same, but the heights of risers, on account of their near- ness to the stage, are required to be increased. The first step of the balcony is 12 inches in height and each step increases by half an inch as shown. The vertical line of figures represents those…
Theater architecture
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.