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The Patent Law of 1836 allowed for inventors to receive a seven-year extension after the expiration of the 14-year term permitted at that time. In 1842, Woodworth's son William W. received an extension, and successfully lobbied Congress in 1845 for another extension, thus extending the patent until 1856.
Fox is also said at a very early period to have invented a screw-cutting machine, an engine for accurately dividing and cutting the teeth of wheels, and a self-acting lathe, but details are obscure. Fox made one of the first planing machines , reportedly in 1814 but the priority between Fox, Matthew Murray of Leeds and Richard Roberts of ...
A thickness planer (also known in the UK and Australia as a thicknesser or in North America as a planer) is a woodworking machine to trim boards to a consistent thickness throughout their length. This machine transcribes the desired thickness using the downside as a reference / index.
A planer is a type of metalworking machine tool that uses linear relative motion between the workpiece and a single-point cutting tool to cut the work piece. [1] A planer is similar to a shaper , but larger, and with workpiece moving, whereas in a shaper the cutting tool moves.
2004: First podcast, invented by Adam Curry and Dave Winer, is a program made available in digital format for download over the Internet and it usually features one or more recurring hosts engaged in a discussion about a particular topic or current event. [545] [546] [547] 2005: YouTube, the first popular video-streaming site, was founded
Craftsman No. 5 jack plane A hand plane in use. A hand plane is a tool for shaping wood using muscle power to force the cutting blade over the wood surface. Some rotary power planers are motorized power tools used for the same types of larger tasks, but are unsuitable for fine-scale planing, where a miniature hand plane is used.
1897 Electric Cotton Candy Machine. Cotton candy, Originally Created in the 1400s, [51] [52] is a soft confection made from sugar that is heated and spun into slim threads that look like a mass of cotton. In 1897 William Morrison & John C. Wharton Created The Electric Cotton Candy Machine, which made it easier and faster to make cotton candy. [53]
The history of Florida can be traced to when the first Paleo-Indians began to inhabit the peninsula as early as 14,000 years ago. [1] They left behind artifacts and archeological remains. Florida's written history begins with the arrival of Europeans; the Spanish explorer Juan Ponce de León in 1513 made the first