burroughs portable adding machine serial number

He was a founder of the American Arithmometer Company (1886). By 1890, the machines were well known in the banking industry, and adoption was spreading. So, he invented a “calculating machine” (first patent filed in 1885) designed to ease the monotony of clerical work. Why did William Burroughs invent the adding machine? It was optimized for compiling ALGOL 60 programs extremely well, using single-pass compilers. The first machine in the family was the B5000 in 1961. The Burroughs Large Systems Group produced a family of large 48-bit mainframes using stack machine instruction sets with dense syllables. William Seward Burroughs, (born January 28, 1855, Auburn, New York, U.S.-died September 15, 1898, Citronelle, Alabama), American inventor of the first recording adding machine and pioneer of its manufacture. Although the comptometer was primarily an adding machine, it could also do subtractions, multiplication and division. The Comptometer was the first commercially successful key-driven mechanical calculator, patented in the United States by Dorr Felt in 1887. Merged with the Sperry Corporation in 1986 to form Unisys The Burroughs Corporation was a major American manufacturer of business equipment….Burroughs Corporation. The fully mechanical machine performs only one mathematical function: addition. Its inventor, William Seward Burroughs, was awarded The Scott Medal in 1897 from the Institute for the combination of calculator and printer. He was a founder of American Arithmometer Company, which became Burroughs Corporation and evolved to produce electronic billing machines and mainframes, and eventually merged with Sperry to form Unisys.

William Seward Burroughs received a patent for his adding machine on August 25, 1888. You will also need to identify the model or style of the machine from the descriptions in the information provided. The manufacturing date of early Burroughs Class 1, 2, and 3 machines can be identified by the serial number on the front of the machine. How do you date a Burroughs adding machine?

Burroughs portable adding machine serial number