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Robert A. Pelham Jr. was a U.S. Census Bureau employee and inventor who looked for ways to make the enormous amount of paperwork involved in processing census information faster and more efficient.

In 1905, he patented a pasting apparatus that applied adhesive to strips of paper, helping speed the assembly of census statistical slips. The U.S. Census Bureau says the invention saved the agency more than $3,000 and was adopted by the Bureau. His patent was U.S. Patent No. 807,685.

Pelham later developed a tallying machine in 1913, continuing his work to improve data processing.
But his contributions went beyond inventions. Pelham also helped author the 1918 report β€œNegro Population: 1790–1915,” an important historical statistical report documenting the Black population in the United States.

Thank you, Robert A. Pelham Jr!

SOURCES: U.S. Census Bureau, U.S. Patent and Trademark Officeβ€”U.S. Patent No. 807,685, New York Public Library / Schomburg Center for Research in Black Culture.

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