1. A MACHINE FOR ROLLING UP FLAT METAL BODIES COMPRISING IN COMBINATION A BASE, A PAIR OF SPACED UPRIGHT SUPPORT MEMBERS MOVABLY MOUNTED ON SAID BASE, OPERATING MEANS CONNECTED TO SAID BASE AND ENGAGING SAID UPRIGHT SUPPORT MEMBERS FOR MOVEMENT RELATIVE TO EACH OTHER ON SAID BASE, A PAIR OF WALLS RELEASABLY SECURED TO SAID BASE AND EXTENDING ADJACENT THE INNER FACE OF SAID UPRIGHT SUPPORT MEMBERS, A WINDING CORE ROTATABLY MOUNTED ON EACH UPRIGHT SUPPORT MEMBER, SAID WINDING CORES HAVING A SLOT FOR RECEIVING A FORWARD SIDE PORTION OF A FLAT METAL BODY, SAID WALLS HAVING AN OPENING FOR RECEIVING SAID WINDING CORES, SAID OPENING HAVING A DIAMETER NOT GREATER THAN THE COMBINED DIAMETER OF SAID WINDING CORE AND THE FLAT METAL BODY, SPACED ELONGATE SUPPORT MEANS MOUNTED AT ONE SIDE OF SAID WINDING CORES AND MOVABLE RELATIVE TO SAID WINDING CORES, SUPPORT MEANS FOR THE FLAT BODY MOUNTED ON SAID ELONGATE SUPPORT MEANS, ELONGATE PRESSURE MEANS ARRANGED PARALLEL TO SAID WINDING CORES AND MOUNTED ON SAID ELONGATE SUPPORT MEANS FOR ENGAGING SAID WINDING CORES, AND MEANS FOR RESILIENTLY BIASING SAID ELONGATE PRESSURE MEANS AGAINST SAID WINDING CORES.