(Patent office label missing); the second, an improved chimney cap, constructed of black-painted tin (Patent offfice label missing); the third, an improved chimney vent, constructed of black-painted tin on a wooden red-painted stand (Patent office label missing); the fourth, an improved spark arrester, constructed of black-painted tin (Patent office label missing); the fifth, an improved chimney cap with exhaust escapes, (Patent office label missing)--11in. high, 12in. high, 9in. high, 7in. high, 13in. high (5)" /> FIVE MODELS RELATED TO CHIMNEYS, the first, an improved flue piping, copper plated with tin interior signed <I>"Gustave Burkhardt"</I> (Patent office label missing); the second, an improved chimney cap, constructed of black-painted tin (Patent offfice label missing); the third, an improved chimney vent, constructed of black-painted tin on a wooden red-painted stand (Patent office label missing); the fourth, an improved spark arrester, constructed of black-painted tin (Patent office label missing); the fifth, an improved chimney cap with exhaust escapes, (Patent office label missing)--<I>11in. high, 12in. high, 9in. high, 7in. high, 13in. high</I> (5) | Christie's