Page:W. E. B. Du Bois - The Gift of Black Folk.pdf/82

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The Gift of Black Folk
70


“good blacksmiths and horseshoers for sale on reasonable terms.”[1]

Such men naturally showed inventive genius, here and there. There is a strong claim that the real credit for the invention of the cotton gin is due to a Negro on the plantation where Eli Whitney worked. Negroes early invented devices for handling sails, corn harvesters, and an evaporating pan for refining sugar. In the United States patent office there is a record of 1500 inventions made by Negroes and this is only a part of those that should be credited to Negroes as the race of the inventor is not usually recorded.

In 1846 Norbert Rillieux, a colored man of Louisiana, invented and patented a Vacuum pan which revolutionized the method of refining sugar. He was a machinist and engineer of fine reputation, and devised a system of sewerage for New Orleans which the city refused to accept because of his color.

Sydney W. Winslow, president of the United Shoe Machinery Company, laid the foundation of his great organization by the purchase of an invention by a native of Dutch Guiana named Jan E. Matzeliger. Matzeliger was the son of a Negro woman and her husband, a Dutch engineer. He

  1. Olmsted, A Journey in the Seaboard Slave States, Journey through Texas, and Journey in the Back Country.