Antique Sydney Harbour Bridge design lithograph a proposed design depicting 'Plate 13 Test Cylinder. Diagram Showing Strata... Photo-lithographed by W. A. Gullick, Government Printer, Sydney, N.S.W.', originated from 'Sydney Harbour Bridge Board Report on Designs and Tenders submitted in connection with the Proposed Bridge over Sydney Harbour to connect Sydney with North Sydney Plans', mounted in a later frame, 31 cm x 19 cm, frame: 62 cm x 47 cm.