Much broken glass and a couple of sash weights fastened to ends of rotten sash cord lay upon the floor.
"Roy Blakeley in the Haunted Camp" by Percy Keese Fitzhugh
That sash you made me will come in very handy for carrying madame, and we sha'n't have the weight of the other things we brought up.
"A Roving Commission" by G. A. Henty
Lead weights take up less space than iron, and are used for heavy sashes.
"Encyclopaedia Britannica, 11th Edition, Volume 15, Slice 4" by Various