Issued with Bulletin No. 30 Arnold-Creager and "Martin" mold sanders, sand dryers, winding drums, clay cars, evelators, belt conveyors, 8 p. / published by Lancaster Iron Works, Lancaster, Pa., 1921.;
Issued with Bulletin No. 50 "Martin" steam pipe, rack brick dryers, cable conveyor systems, dry brick care systems, and kiln castings, 8 p. / published by Lancaster Iron Works, Lancaster, Pa.,1921.
Issued with Bulletin No. 60 Arnold-Creager brick machinery for the manufacture of brick, hollow tile, drain tile and roofing tile by the stiff-mud, wire cut process 12 p. / published by the Lancaster Iron Works, Lancaster, Pa.1921.
