Figure 5:
The area of the Coltsville industrial district as shown in the O.H. Bailey, "Bird's-Eye View," 1877.
Figure 6: Isometric drawing of Colt Armory, 1919, showing the plant at its height.
Figure 7:
Interior of East Armory upper floor, from Charles H. Fitch, "Report on Manufacturers of Interchangeable Mechanism," U.S. Census Bureau, 1883. The distinctive features of the East Armory are clearly visible, including the shallow brick vaulting between the ceiling beams and the Phoenix columns.
