In the episode Little Ricky Learns to Play the Drums there is a stove top aluminum coffe percolator on view in the I Love Lucy kitchen.
A closer look at the coffee pot shows the distinctive shaped handle and the slightly curved lid with glass knob. The vintage coffee pots with glass knob are still popular for camping,
A good match for the shape of the handle is seen on Comet Coffee pots like the one below. The Comet 6 cup Coffee Pot Aluminum Percolator with Glass Knob looks very similar to the one on the show.
