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The Franklin stove is a metal-lined fireplace named after Benjamin Franklin, who invented it in 1742. [1] It had a hollow baffle near the rear (to transfer more heat from the fire to a room's air) and relied on an "inverted siphon" to draw the fire's hot fumes around the baffle. [ 2 ]
Franklin called this device an "electrical battery", [4] but that term later came to have a different meaning, referring instead to a set of one or more galvanic cells. At that time, the word "battery" was a military term for a group of cannons. [32] Franklin was the first to apply the terms "positive" and "negative" to electricity.
The furnace was a center of colonial iron making and is associated with the introduction of the Franklin Stove, and the retreat of George Washington's army following its defeat at the Battle of Brandywine, where they came for musket repairs. Nathanael Greene's company and Washington were both recorded encamping here. [4] [5] [6]
The Franklin Stove, also known as the circulating stove, is a metal-lined fireplace with baffles in the rear to improve the airflow, providing more heat and less smoke than an ordinary open fireplace. The stove became very popular throughout the Thirteen Colonies and gradually replaced open fireplaces. The Franklin stove was invented by ...
This stove was little more than a cast-iron box with no grates. [8] Benjamin Franklin designed the "Pennsylvania fireplace", now known as the Franklin stove in 1742, which incorporated the fundamental concepts of the heating stove. The Franklin stove used a grate to burn wood and had sliding doors to control the draught, or flow of air, through it.
As a scientist, his studies of electricity made him a major figure in the American Enlightenment and the history of physics. His inventions include the lightning rod, bifocals, glass harmonica and the Franklin stove. This 1778 portrait of Franklin was painted by Joseph Duplessis. Painting credit: Joseph Duplessis
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Benjamin Franklin visited the factory, [16] leaving works and is said to have left a design for a stove called 'Dr Franklin's stove or the Philadelphia stove'. The company produced pig iron throughout the 19th century, together with cast-iron products such as balustrades, fire grates, and the Carron bathtub.