FREE: US MINT NH SCOTT# 889 Eli Whitney Date Issued: 1940-10-07 Postage Value: 1 cents

The listing, US MINT NH SCOTT# 889 Eli Whitney Date Issued: 1940-10-07 Postage Value: 1 cents has ended.

US MINT NH SCOTT# 889
Eli Whitney
Date Issued: 1940-10-07
Postage Value: 1 cents

Commemorative issue
Famous Americans-Inventors
Eli Whitney
Not only did Eli Whitney invent the cotton gin, but he was also a pioneer in the use of mass-production methods. A 1792 graduate of Yale, Whitney, the following year, designed and constructed the gin that quickly and easily separated cottonseed from the short-staple cotton fiber. His gin could produce 50 pounds of cleaned cotton per day, and played a major role in making cotton for the first time a profitable crop in the South. Whitney, himself, failed to profit from the device. His patent was not validated until 1807, and many imitations of his cotton gin appeared before that time. His firearms factory in New Haven, CT, was one of the first to use mass-production techniques. The plant was built to honor a 1798 contract with the U.S. government to make 10,000 muskets

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--------------------------Mint Stamp Gum--------------------------
: Unused - a stamp that is not cancelled (used) , yet has had all the original gum removed. on early u.s. issues this is the condition that the majority of mint stamps exist in , as early collectors often soaked the gum off their stamps to avoid the possibility of gum drying and splitting

Original Gum (OG) - a stamp that still retains the adhesive applied when the stamp was made, yet has been hinged or has had some of gum removed.

Never Hinged (NH) - a stamp that is in " post office " condition with full gum that has never been hinged .