In this hydraulic machinery is exhibited in full operation. THE location of objects in the Machinery Building is shown by a letter and figure, indicating the nearest column of the building. The annex for hydraulic machines contains a tank 60 feet by I6o feet, with depth of water of Io feet. The contract in the erection of Machinery Hall was made January 27th, I875, and the building was begun forthwith, and finished October Ist, I875. Thus C 5 is the column in the third.range from the south, and the fifth from the eastern end of the building. The class of the classification (see page I3) to which each exhibit belongs is indicated by the small figures at the end of the line. At the south end of this tank is a waterfall 35 feet high by 40 feet wide, supplied from the tank by the pumps upon exhibition. The letters-A, B, C, to F-designate the successive ranges of columns, proceeding northward from the southern wall across the width of the building; the figures, the number of the column in each range, counting westwardly from the eastern wall, the entire length of the building, from I to 88. The east entrance forms the principal approach from street-cars, from the Main Exhibition Building, and from the Pennsylvania Railroad depot. To break the long lines upon the exterior, projections have been introduced upon the four sides, and the main entrances finished with facades, extending to 78 feet in height. I49 Buildings East of Belmont Avenue, and South of Fountain Avenue. "' ~~~~~~~~ JJ J JJ - IIll Z II 3, 1 II II JJ II [, I II ~Ifn I~'' II C~~~~ A United States.
The principal papers of the country kept on file for inspection and use of exhibitors and visitors generally.
PHILADELPHIA: Published for the Centennial Catalogue Company BY JOHN R.
Entered according to Act of Congress, in the year i876, by the UNITED STATES CENTENNIAL COMMISSION, in the office of the Librarian of Congress, at Washington, D.
0 0~~~~~~~~~~~~~~~04 c,~ ~ ~ ~ ~ ~~~~~~~~~~~1 212 P E c J d P., g nd Sates. 5 54 54 55 55 5, E France.............'o g;o'o 6o 6o 6'z16' 6ix450~ German y.662 62 1i6. The hangers are attached at the height of 20 feet from the floor.
United~~~~~~~~~~~~~b Stts.......x 9[= ~[=t4 40 I4 r eat 0 3... bi I24) ~ Cs s6 id a.8~~~~~~~'~~~ C S - 0 0 C's C%0 ovo [54) 5~4 54[5 55]5 ]E Slu I~.... There are eight main lines of shafting, extending almost the entire length of the structure, and countershafts are introduced into the aisles where needed.