[Old] House Office Building, [Cannon House Office Building], c.[between 1910 and 1920]
This file appears in: House Office Building (Cannon House Office Building)
![[Old] House Office Building, [Cannon House Office Building], c.[between 1910 and 1920]](https://historicsites.dcpreservation.org/files/original/26e9ceeb2863757f2b1b5f9460af2fed.jpg "[Old] House Office Building, [Cannon House Office Building], c.[between 1910 and 1920]")
Detroit Publishing Co., Copyright Claimant, and Publisher Detroit Publishing Co. [Old House Office Bldg. Cannon House Office Building, Washington, D.C]. [Cbetween 1910 and 1920] Image. Retrieved from the Library of Congress, https://www.loc.gov/item/det1994021525/PP/. (Accessed January 17, 2017.)
This file appears in: House Office Building (Cannon House Office Building)
House Office Building (Cannon House Office Building)
The House Chamber in the Capitol opened in 1857, but the number of representatives quickly grew from 193 to 391, as more states joined the Union with westward expansion. As more constituents and growing workloads put increasing amounts of pressure…