Show CONCRETE MODEL OF THE PANAMA CANAL CI CHICAGO CAGO Feb Pcb 21 i 21 A model of th the Panama Pd canal ranal Illustrating the tho use of or concrete con eon crete crate there will b be an attraction at Chicago's Chicago's Chi Chi- ca cagos cago's oR fifth a 1 cement nt show which op Mis at the Coliseum tomorrow nl night ht Accordini to the tho management there Is 18 Isa a greater creator number of or exhibits than over ever before Concrete coffins will III be ha antonG th the ex exhIbits ex- ex I hibits |