Hans and Zacharias Janssen
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Jan Matzeliger invented the shoe lasting machine.
The first washing machine was invented in the year 1851. It was the drum washing machine and it was invented by James King.
You must wait to be connected to power before the wheel and turn it back to back.
The Threshing Machine was invented by Andrew Meikle, who was a Scottish Mechanical Engineer. The machine was invented in 1784 for the purposes of separating grain from stalks and husks of plants.
the person who invented the chromatic lens
optical profile grinding machine is used in making of tool and Die. It acts an important part. it gives high accuracy grinding looks like ordinary grinding machine but it gives high finishing and accuracy .many models can be made.
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what is full form of FF2 Grinding
The grinding dance was invented from "the bump" dance popularized in the 1970's. The Grinding dance is when a male dances behind a female and rubs his crotch on the ladies buttocks.
Grinding a lens to the required precision aw well as the mass of the lens distorting its shape.
John Dollond invented the achromatic lens. He used a combination of crown and flint glasses to construct the lens.
William Julliano invented the first hand lens in 1991
Nothing advantages
In 1822 Augustin Jean Fresnel invented the basis of the technology that went into making the Canon 70-300mm lens. The specific Canon EF 300mm lens was not invented, only modified from the original lens technology invented in 1822.
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mainly surface grinding machines, for processing flat surfaces To improve the roughness of the processing surface grinding away a few wires to facilitate assembly If you are interested in grinding machines, you can go to VIDO's official website to check, VIDO's grinding machines are of high quality and are the choice of the public.