The Nuttall Encyclopedia
An alloy of nine parts tin and one each of antimony, lead, and bismuth, is intermediate in hardness between pewter and britannia metal.
Wood, James, ed. Entry for 'Queen's Metal'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/q/queens-metal.html. Frederick Warne & Co Ltd. London. 1900.