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one inch in height, brought to a joint not exceeding tbree-eightlis (i) of 

 an inch in the widest place when'laid, taken out of wind; dressed lull to 

 the square on the beds,- builds, and joints, with a narrow arris drawn 

 around the face of each stone, and the face between the arres pointed off 

 horizontally in a regular manner and at regular distances — say not more 

 than two inches apart — averagnig nine inches in thickness, with a proper 

 proportion of bond stone to bind the face to the backing — say one in every 

 3^ feet square; the clause in the mason's specification, commencing 

 with " the face of the walls shall be strongly tied to the backing," being 

 continued in full force and effect. The whole of the above ashlar to be 

 set in the best manner, and pointed in the manner described in the ma- 

 son's specification, 



TIdrd. That in place of the principal flights of the front and rear stair- 

 ways, as specified in the carpenter's specification, cut-stone steps and 

 platforms of such freestone as shall be selected by the architect, which 

 shall be fine cut and rubbed, with handsome cast-iron newels and balus- 

 ters, similar to the wooden ones described in the carpenter's specification, 

 and well bronzed in the best manner, with a heavy moulded hand-rail of 

 the best well-seasoned black walnut, shall be substituted. On the heads 

 of each of the above cui-stone steps and platforms, Norman pateras, or 

 flower ornamenfS; shall be cut by the contractor. The above stone steps 

 shall be carried up as higli as the level of the museum floor. 



Fourth. That a floor of one and a quarter inch white pine plank, resting 

 on beams of white pine 2x12 inches, set twenty inches from centres, 

 shall be carried under the roofs of the v/hole building and towers ; and 

 that the floor be-Tins shall be supported by 8 x 12 inch girders where 

 necessary, and plastering of cement mortar two inches in thickness shall 

 be laid over the top of all of the said above-mentioned floors. 



Fifih. That in place of the iron timbers having brick arches and 

 concrete between them, which are specified to be placed in the chemical 

 lecture room, the students' working laboratory, and the rooms over it, 

 wooden beams 3 X 12 inches, set 16 inches from centres, with a deaf- 

 ening of cement concrete four inches in thickness between them, resting 

 on one and a quarter inch plank, firmly secured to the beams by 3 x I5 

 inch strips, shall be substituted. The above beams shall be furred on 

 the under side, with 2 x H hich strips, set one foot from centres, and 

 plastered three coats ; the last coat shall be hard-finished. 



/Sixth. That in place of the iron columns in the larger lecture-room, 

 wooden columns, nine inches square, which shall be furred, lathed, and 

 stuccoed in the best manner, with reeds forming clustered columns with 

 foliage caps, bases and plinths, shall be substituted. 



Seventh. That in the place of the tesselated wooden floor of the mu- 

 seum, a floor of narrow clear Georgia yellow pine plank, not more than 

 five inches wide, planed, tongued and grooved, laid in courses and blind- 

 nailed in the best manner, shall be laid. The heads and sides of all the 

 plank shall be planed after they are laid, so as to be perfectly true and 

 even when finished. 



Eighth. That on the eight corners of the fourth story of the higher 

 central front tower, eight columns, one foot in diameter and of the height 

 of the story, with foliage caps, bases, and plinths, shall be well and truly 

 cut. , 



And it is hereby further covenanted «nd agreed by the said parties ol 



