Book Description

"In various sections photographers and photomechanical exhibitions are listed. Among the exhibitors of note are Heliotype Printing Co., E. Bierstadt, Rockwood. The Graphic Co., and the Leggo Brothers. [This is] an important list of the various firms displaying at the Centennial. The firms are the first serious photomechanical printers in this country." -- Hanson Collection Catalog, p. 55.