1. Report on the ventilation of the Hall of Representatives, and of the south wing of the Capitol of the United States: to Prof. Jos. Henry, Col. T. Lincoln Casey, Dr. J. S. Billings, Edw. Clark, Esq., F. Schumann, Esq., commission of inquiry, etc Author(s): Briggs, Robert, 1822-1882 Publication: Philadelphia : Press of Henry B. Ashmead, 1876 Subject(s): VentilationDistrict of ColumbiaUnited States Capitol (Washington, D.C.)
