Bracket for supporting window boxes is U-shaped in cross-section, extension at upper end of one arm fitting on top of sill while second, Z-shaped extension fits into groove on its underside

摘要

The bracket for supporting window boxes is U-shaped in cross-section. An extension (6) at the upper end of one arm (5) fits on top of the sill (2) while a second, Z-shaped extension (7) fits into the groove (9) on its underside.