Waag on Nieuwmarkt was built as a city gate and later transformed into a weigh house. The numerous descriptions of the history of the building are nearly exclusively based on written sources. Building-historical research was lacking. https://www.roneverhart.com/Straight-Blade-Receptacles-Duplex-2P-3W-20A-125V-5-20R-WHITE-HUBBELL-5362W/