No. i. THE MAIN EXHIBITION BUILDING.

Size, 1880 by 464 feet.

Engineers and Architects , HENRY PETTIT & Jos. M. WILSON.Contractor , R. J. DOBBINS.

Wrought and Cast Iron Manufactured by WM. SELLERS & Co., Moor Iron Works,Wrought Iron Furnished by A. & P. ROBERTS, Pencoyd Rolling Mills.

Cast Iron Furnished by MORRIS, Tasker, & Co., Pascal Iron Works.Erector of Iron Work, WATSON MANUFACTURING Co.

THE Main Exhibition Building, containing Departments I, II, III of the Exhibition,is in the form of a parallelogram, extending east and west 1880 feet in length, andnorth and south 464 feet in width.

The larger portion of the structure is one Story in height, and shows the main cor-nice upon the outside at 45 feet above the ground, the interior height being 70 feet.At the centre of the longer sides are projections 416 feet in length, and in the centreof the shorter sides or ends of the building are projections 216 feet in length. Inthese projections, in the centre of the four sides, are located the main entrances,which are provided with arcades upon the ground floor, and central facades extend-ing to the height of 90 feet.

The East Entrance forms the principal approach for carriages, visitors beingallowed to alight at the doors of the building under cover of the arcade. The SouthEntrance is the principal approach from street cars, the ticket offices beinglocated upon the line of Elm Avenue, with covered ways provided for entrance intothe building itself. The Main Portal on the north side communicates with theArt Gallery, and the Main Portal on the west side gives the main passage way tothe Machinery and Agricultural Halls.

Upon the corners of the building there are four towers, 75 feet in height, and be-tween the towers and the central projections or entrances there is a lower roof intro-duced, showing a cornice at 24 feet above the ground. In order to obtain a centralfeature for the building as a whole, the roof over the central part, for 184 feet square,has been raised above the surrounding portion, and four towers, 48 feet square, risingto 120 feet in height, have been introduced at the corners of the elevated roof.

The areas covered are as follows:

Ground floor,.

Upper floors in projections“ “ in towers, . ,

SQUARE FEET.

ACRES.

20.02

•85

.60

936,008

21.47

23