Most scholars believe that the arms of brass and copper alloy european metalwork were cast whole from a single mold in van eyck ' s time ; crockets were not soldered or riveted onto the main arms 多数学者相信，在范艾克的时代，欧洲的黄铜或其他铜合金的金属工艺中，整只吊灯臂是从一个模子里铸出来的；而且上面的雕饰并不是焊接或铆接到灯臂主体上。
