High Quality Content by WIKIPEDIA articles! Amalgamated Society of Engineers v Adelaide Steamship Co Ltd (1920) 28 CLR 129 (commonly known as the Engineers` Case) was a landmark Australian court case decided in the High Court of Australia on 31 August 1920. The immediate issue concerned the Commonwealth`s power under s51(xxxv) of the Constitution but the Court did not confine itself to the immediate issue, using the opportunity to roam broadly over constitutional interpretation.