620 REPORTS OP THE BUILDING COMMITTEE. 



Circular Windows : 



The arch jamb, the same as their class. For the mullions, caps, and plinth, the 

 same as their class ; for the centre piece and tracery, apply rule No. 1. 



Interlaced arches, the columns, caps, &c: 



For the interlaced arching, apply rule No. 1. 



For the columns, caps, and bases, measure and charge as their class. 



Cornice or coping : 



Octagonal face, finely cut and rubbed, per superficial foot, 40 cents. 



Tooth-chiseled, 30 cents. 



If moulded, according to its class. 



Measure top bed and girth of face. 



Finials : apply rule No. 1. 



Corbel course, or central front tower, and all such: 



Each course, according to its class. 



For the band or paneled course, apply rule No. 1. 



Sill course of semicircle and fillet, and five sides of octagon: 

 Finely cut and rubbed, per superficial foot, 80 cents'. 

 Tooth-chiseled, 70 cents. 

 Measure length by girth of what shows. 



Paneled arcade : apply rule No. 1. 

 Pinnacles on principal tower : 



Finely cut and rubbed, each $240.68. 



Tooth-chiseled, each $208. 



Flagging : 



Square marble tile, 2£ inches thick, and 12 to 24 inches square, of two colors, 

 delivered at the building ready for laying, per superficial foot, 35 cents. 



Marble tile : 



1J inch thick, and four to six inches of two or more colors, per superficial foot, 

 delivered ready for laying, 50 cents. 



1J inch thick, and 11 to 12 inches square, delivered and ready for laying, per super- 

 ficial foot 35 cents. 



The aforegoing list of articles and prices will embrace all the kinds of cut marble 

 work about the building. I will comply with the printed specifications, (subject to- 

 the foregoing rule,) and all requirements stated in the advertisements for proposals. 



My bondsmen are John W. Brown and William Baily, Esquires, of Baltimore. 

 Dowels and clamp holes : 



For every f-inch hole, sunk 3 inches, 2 cents. 

 For every 1-inch hole, sunk 3 inches, 3 cents. 

 If sunk more, in proportion. 



THOS. SYMINGTON. 

 Baltimore, March 13, 1847. 



The chairman laid before the committee the following letter : 



Baltimore, March 15, 1847. 

 Gentlemen: We propose to cut and dress all the fine work mouldings, &c, for 

 the Smithsonian Institution, at ($3) three dollars per cubic foot. We will also build 

 all the stone-masonry at $2 per perch, mason measurement, except the concrete 

 under the foundations, which is not embraced in this proposal. 



Respectfully submitted, SUMWALS, GREEN & CO. 



Hon. Robert Dale Owen, 1 



Wm. J. Hough, [■ Committee. 



W. W. Seaton, J 



The chairman laid before the committee the following letter : 



Washington, March 15, 1847. 



Gentlemen : I propose to build and construct the items of the Smithsonian Insti- 

 tution, herein contained, in a workmanlike manner, agreeably to the plans and speci- 

 fications of the architect, for the following aggregate sum, viz : Digging foundations, 





