The antique copper pots from the early 1800s and into the 1920s are usually made of thick pure copper with nicely ornate brass handles. Those kinds of items are difficult to find and are considered by many small treasures. They are probably thicker than anything made today, and if they are...
The copper coupler fits nicely around the rim of the chimney. I soldered a short length of 1″ copper tube into it to form a transition from the chimney rim to the funnel. The disc was cut from copper clad circuit board (using hole saws with suitable clamping) to form a centering devi...