Show I improvement in kilm mr win silver jr of bennington Z vt has taken measures to secure a patents patent for an improvement in kilns kalns which he has recently made he carries the draft upward from the furnace through an upright flue standing in the centre of the kiln and extending nearly to the top and then downwards through the body of the kiln and openings in its floor to a series of circular flues arranged below the floor and co communicating mu with the chimney the effect prodica produced ced thereby being that of a more perfect consumption of the smoke and the generation of a greater amount of applied heat from the same quantity of fuel amer |