Inside Out Library · ExploreSteelcase 451 Series Chairs 1970 (1970)Steelcase · leaf 8STEELCASE 451-412 Fixed Base with arms Seat width 21%” Seat depth 17%” Back width 21” Back height 17%” Width between arms 20” ‘ Seat and back widths are Vv ( based on median dimension.Trade catalogs · Furniture · Chairs · Office furnitureInternet Archive trade catalogues · Public Domain Mark 1.0. Free to use for anything.More pictures from Steelcase 451 Series Chairs 1970More like this