Page:Architectural Review and American Builders' Journal, Volume 1, 1869.djvu/84

 64 Sloan's Architectural .Review and Builders' Journal. [July, Fig. 9. Fig. 9 illustrates the iron arch, dis- pensing with the use of bricks at the haunches thereof, as it is not necessary to use them when the corrugated iron plates are filled in with concrete to the surface of the beams. Fig. 10.