652 REPORTS OF THE BUILDING COMMITTEE. 



For ornamented mouldings. — See Glossary of Arehitecture, all on plates 76, 77, and 

 78. Plate 79 — cable, intersecting and cable, nail-head, star, lozenge and enriched 

 lozenge. Plate 81 — reticulated, diamond frette, and embattled frette. Plate 82 — 

 trellis and hollow square. 



The above references are made with a view of presenting to the contractor the 

 general style for the finish and character of the ornaments. 



As the above specification, with the plans, is intended to cover the entire comple- 

 tion of the building, in every respect, in the most perfect manner, no extra claims 

 will be allowed, unless caused by actual alterations in the plans. And the contractor 

 will be bound by the sum of $10,000 to submit all questions, controversies, and claims 

 to the architect, whose decision upon the same shall be final and conclusive between 

 the parties. 



Specification of the Carpenter's and Joiner's Work for the Smithsonian Institution. 



TIMBER. 



Basement story. — The floors of the basement of the west wing, and west connecting 

 range, will be supported on yellow pine timber, 3 by 12 inches, set two feet (2 feet) 

 from centre to centre. 



First story. — All the floors of the first story, except those of the chemical lecture- 

 room, students' working laboratory, front towers, campanile tower, octagonal tower, 

 and central rear tower, will be supported on 3 by 12 inch timbers, of the best white 

 pine, set sixteen inches (16 inches) from centre to centre. The girders into which 

 these will be framed will be twelve inches (12 by 12 inches) square. The trimmers 

 and trimmer-beams will be 5 by 12 inches, and one trimmer will be placed at every 

 hot-air flue, or one at every pier in the wall of the building. There will be one long- 

 itudinal trimmer in the west wing, one in the west connecting range, four in the 

 library, three in the central hall, three in the lecture-room, and two in the east con- 

 necting range. 



Second story. — The timbers in the floor of the second story will be 3 by 12 inches, 

 set 16 inches from centre to centre. The girders will be twelve inches square, (12 by 

 12 in.,) running longitudinally through the museum. The trimmers and trimmer 

 beams will be 5 by 12 inches. The timbers will be of the best white pine. 



Towers, $c. — All the floors of the towers will be of the best white pine timber, 3 by 

 12 inches square. There will be seven floors in the higher central front tower ; five 

 floors in the lower front tower ; four floors in the central rear tower ; seven floors in 

 the octagonal tower ; seven floors in the campanile tower ; five floors in the tower of 

 the west wing ; two floors in the porch of the chemical lecture-room. 



The floor beams of the galleries of the museum, library, and lecture rooms will be 

 3 by 10 inches, of the best white pine timber, set 16 inches from centre. The girders 

 of the gallery fronts, 8 by 12 inches. 



All these timbers and girders will be firmly anchored to the walls. 



All the floors in the building will have one row of herring-bone bridging of joists, 

 3 by 4 inches, for every 12 feet of length of beam. 



Columns. — There will be 56 columns, six inches square and twenty-two (22) feet 

 high in the library, set per plan. 



In the great lecture-room there will be 10 columns of iron, twenty-seven (27) feet 

 high. (Plan No. 1.) 



In the museum there will be 120 columns, six inches square, and 27 feet high. 



Roofs. — The roof of the central building to be framed with a tie beam, one king 

 post, two queen posts, and four strutts. 



The timbers in all of the frames will be of the following forms, dimensions, and 

 materials : 



Tie-beam, 6 by 15 inches, of the best white pine. 



Two rafters, 6 by 12 inches, of best white pine. 



King-post, 6 by 8 inches, of best white oak. 



Two queen posts, 6 by 6 inches, of best white oak. 



Four strutts, 6 by 8 inches, of best white pine. 



The roof plate will be 3 by 12 inches, of best white pine. 



The purlines will be of the best white pine timber, 3 by 10 inches, set three feet 

 (3 ft.) from centre to centre, quartered into the rafters two inches, (2 in.,) and kept 



