The Franklin Stove
Cool air enters the baffle through a duct under the floor. Smoke exits through a U-shaped duct in the floor. It was intended to produce more heat and less smoke than an ordinary open fireplace. Franklin refused to patent his stove, thereby making the Franklin stove design one of the earliest examples of opensource. January 20, 2018
Benjamin Franklin's autobiography
is considered one of the best if not the best autobiography ever written. Franklin's rise from humble origins outlined in his autobiograhpy is the standard by which all self help books should be measured.