King Ave & Northwest Blvd. If you're in Columbus and have a good DIY project in mind, that's where you can find this large jumble of old windows.
They're not in the best shape (why else would they be replaced on the house) but they come in a multitude of sizes and there's even some with leaded glass.
Our Ohio host grabbed a bunch because she's got a project in mind but jump down to see how we put one to work immediately.
Our host lives in a duplex apartment with a teeny tiny back porch and a half wall that divides the two units. Luckily, one of the windows was the perfect size to hang just above the wall. Now the porch feels a bit more private but the neighbors (and sunlight) aren't completely blocked out.