Window nipple thing. This decorative feature is often seen in windows in villages in the U.K. Is it purely decorative? Does it serve a purpose or have a function? Does it have
Why is glass in old buildings thicker at the bottom and thinner at the top? Is it that glass is a viscous liquid? - Quora
My house is poorly insulated, and it's something we're working on. In the mean time I used bubble wrap from packaging to cover some of the old windows! : r/ZeroWaste
Bubbles in old glass? : r/AusRenovation
Testing Window Films to Replicate Old Glass | D'oh!-I-Y