. Keim's illustrated hand-book : Washington and its environs: a descriptive and historical hand-book to the capital of the United States of America . rcuitof the building by this corridor. (See Department of theInterior.) In each angle of the building are granite steps tothe basement, where are offices and storage vaults. Thebuilding contains about 191 rooms, and cost~$2,700,000. Atthe end of the entrance hall a double flight of steps, ascend-ing part way, unite and lead to a platform, from which asash door opens into the Model Rooms of the Patent these steps a double flight als


. Keim's illustrated hand-book : Washington and its environs: a descriptive and historical hand-book to the capital of the United States of America . rcuitof the building by this corridor. (See Department of theInterior.) In each angle of the building are granite steps tothe basement, where are offices and storage vaults. Thebuilding contains about 191 rooms, and cost~$2,700,000. Atthe end of the entrance hall a double flight of steps, ascend-ing part way, unite and lead to a platform, from which asash door opens into the Model Rooms of the Patent these steps a double flight also descends into thebasement. Model Booms,—The model rooms of the Patent Office, sec-ond floor, {open every day, except Sunday, from 9 a. m. to 3 ,) which contain the model of every patent issued by theUnited States since 183G, consist of a magnificent suit of fourhalls, ranged on the four sides of the building, and around aspacious court. The models are grouped under 145 classes,and again subdivided into various smaller divisions, for con- 148 PATENT OFFICE. yenience of reference. Each case is provided with a caruindicating its MODEL KOUM— SOUTH HALL. S. Hall, (entrance.)—This is a superb apartment, 242 by 63 ft. wide and 30 ft. high. The prospect is brokenby 36 doric columns in quadruple rows, with their entablature,20 ft. high, and corresponding pilasters, which support a se-ries of groined arches of 10 ft. spring, artistically adjusted tosecure both solidity and eflect. In the centre is a raised arch40 ft. high, of beautiful construction, and pierced by an aper-ture of 13 ft. in diameter. This part of the ceiling is admi-rably adapted to harmonize the range of arches on either sidewith the main design. The entire complicated structure ofthe room is of solid masonry. The general style of decora-tion is Pompeiian, with appropriate adaptation. The ironstairway opposite the door leads to a storage room over the , used for documents. Near the


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Keywords: ., bookauthorkeimdebr, bookcentury1800, bookdecade1870, bookyear1874