Franklin stove

Franklin stoveBurning wood above a cold-air duct heats air which then passes through baffles and is released through vents on each side of the stove.

Franklin stove

n. A cast-iron heating stove shaped like a fireplace but employing metal baffles to increase its heating efficiency.

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[After Benjamin Franklin.]

Frank′lin stove′

n. a cast-iron stove having the general form of a fireplace with the front open and often fitted with doors. [1780–90, Amer.; after Benjamin Franklin, who designed it]