1592953544000 1312632483000 term-56940 1616541085639 1312632551000 1616290403390 adlib fitz-online adlib-term-56940 32da7968-2edc-302c-8a2b-d6c696da2e46 2 1 scope note Windows having two vertically sliding sashes, each closing a different part of the window; the weight of each sash is counter-balanced for ease of opening and closing. DAC reference term-56939 adlib-term-56939 3628e4c5-fd0b-38d4-9fe0-60de3f6c4910 double-hung window V.PJ.AFU.ALO.ARI.ARI.AFU.AFU.CFS.AFU.AXC.ARI.AFU 1 code V.PJ.AFU.ALO.ARI.ARI.AFU.AFU.CFS.AFU.AXC.ARI.AFU 1 double-hung windows reference term-56946 adlib-term-56946 c3700de9-03cc-377b-a62d-760a9de26b6f <hung windows> double-hung windows term