< The Players' Guide to the Cities | User Interface The Salvage Window may be opened by clicking on "Salvage" on the outer edge of the Tray Window. In this window you may view any salvage that you have collected. At the top of the window will be several tabs: There are limits to how much salvage of each type you can carry. The limit to the number of invention salvage items you can carry at any time are based on your level with certain badges or inventions granting you extra capacity. The following table outlines the base levels of invention salvage that you can carry at each level.