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A Franklin stove. 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]
1965–present. Materials. Plastic. Official website. Spirograph is a geometric drawing device that produces mathematical roulette curves of the variety technically known as hypotrochoids and epitrochoids. The well-known toy version was developed by British engineer Denys Fisher and first sold in 1965.
Reverse painting on glass is an art form consisting of applying paint to a piece of glass and then viewing the image by turning the glass over and looking through the glass at the image. Another term used to refer to the art of cold painting and gilding on the back of glass is verre églomisé, named after the French decorator Jean-Baptiste ...
The aviator Matilde Moisant wearing a swastika square medallion in 1912. The symbol was popular as a good luck charm with early aviators. The discovery of the Indo-European language group in the 1790s led to a great effort by European archaeologists to link the pre-history of European people to the hypothesised ancient "Aryans" (variously referring to the Indo-Iranians or the Proto-Indo ...
Vitreous enamel. Vitreous enamel, also called porcelain enamel, is a material made by fusing powdered glass to a substrate by firing, usually between 750 and 850 °C (1,380 and 1,560 °F). The powder melts, flows, and then hardens to a smooth, durable vitreous coating. The word vitreous comes from the Latin vitreus, meaning "glassy".
August 14, 2024 at 6:32 PM. A team of divers looking for a woman and her young daughter who vanished in 1974 located their car and likely human remains in a Florida canal, authorities said this ...
A stove or range is a device that generates heat inside or on top of the device, for local heating or cooking. Stoves can be powered with many fuels, such as electricity, natural gas, gasoline, wood, and coal . Due to concerns about air pollution, efforts have been made to improve stove design. [ 1] Pellet stoves are a type of clean-burning stove.
Died. July 5, 1956. (1956-07-05) (aged 74) Occupation. Inventor. Lloyd Groff Copeman (December 28, 1881 – July 5, 1956) [ 1] was an American inventor who devised the first electric stove and the flexible rubber ice cube tray, among other products. He had nearly 700 patents to his name, and he claimed that he could walk into any store and find ...