An account of the Smithsonian Institution, its founder, building, operations, etc. : prepared from the reports of Prof. Henry to the regents, and other authentic sources (1859)
Rhees, William Jones, 1830-1907 · Washington : Thomas McGill, printer · leaf 23
, pillars, stair-screens, and the seats of the audience — -prevent reverberation. The seats are curved, so that each spectator faces the platform ) and the floor is also curved, so that the back seats rise above the front — not quite so much as is required by the panoptic curve of Professor Bache,… … tary are in the north tower, im- regents’ room.
Smithsonian Institution -- History
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
