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Start Over Subjects Ventilation -- methods ✖Remove constraint Subjects: Ventilation -- methods Titles Report accompanying plans for the improvement of the ventilation and heating of the Hall of Representatives ✖Remove constraint Titles: Report accompanying plans for the improvement of the ventilation and heating of the Hall of Representatives Dates by Range 1850-1899 ✖Remove constraint Dates by Range: 1850-1899

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  • Report accompanying plans for the improvement of the ventilation and heating of the Hall of Representatives1