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Start Over You searched for: Subjects United States Capitol (Washington, D.C.) ✖Remove constraint Subjects: United States Capitol (Washington, D.C.)Refine by:
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- District of Columbia3
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- Ventilation3
- 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, etc1
- Senate chamber and hall of the House of Representatives1
- Ventilation of Senate chamber and hall of House of Representatives1
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