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- Burroughs Class I / Model 9 Adding Machine, 1910 - Mechanical adding machines were indispensable office equipment used before the computer era. These devices were perfected by the American Arithmometer Company in 1886, spurred on by William Seward Burrough's desire to reduce drudgery in clerical arithmetic work. Transistors and electronic desktop calculators displaced adding machines in the 1950s; by the 1970s, microchips reduced calculators to the size of a shirt pocket.
- 1910
- Collections - Artifact
Burroughs Class I / Model 9 Adding Machine, 1910
Mechanical adding machines were indispensable office equipment used before the computer era. These devices were perfected by the American Arithmometer Company in 1886, spurred on by William Seward Burrough's desire to reduce drudgery in clerical arithmetic work. Transistors and electronic desktop calculators displaced adding machines in the 1950s; by the 1970s, microchips reduced calculators to the size of a shirt pocket.
- American Arithmometer Company "Bankers and Merchants Registering Accountant," Adding Machine, circa 1890 -
- circa 1890
- Collections - Artifact
American Arithmometer Company "Bankers and Merchants Registering Accountant," Adding Machine, circa 1890
- Burroughs "Series J" Ten Key Adding Machine, 1954-1975 - Mechanical adding machines were indispensable office equipment common before the desktop computer era. These devices were perfected in 1886 by the American Arithmometer Company (later known as Burroughs Corporation), inspired by William Seward Burrough's desire to reduce drudgery and errors in clerical work. This simple machine was treated with a streamlining aesthetic. It was available in beige, pink, and blue.
- 1954-1975
- Collections - Artifact
Burroughs "Series J" Ten Key Adding Machine, 1954-1975
Mechanical adding machines were indispensable office equipment common before the desktop computer era. These devices were perfected in 1886 by the American Arithmometer Company (later known as Burroughs Corporation), inspired by William Seward Burrough's desire to reduce drudgery and errors in clerical work. This simple machine was treated with a streamlining aesthetic. It was available in beige, pink, and blue.
- Adix Adding Machine, 1903-1930 - The Adix adding machine provided fast, accurate calculations for single-column sums. Josef Pallweber patented the machine in 1903, and in 1904, the newly formed Adix Company began production of this small, convenient device with its exposed system of gears. Adix adding machines would remain in production for the next 26 years.
- 1903-1930
- Collections - Artifact
Adix Adding Machine, 1903-1930
The Adix adding machine provided fast, accurate calculations for single-column sums. Josef Pallweber patented the machine in 1903, and in 1904, the newly formed Adix Company began production of this small, convenient device with its exposed system of gears. Adix adding machines would remain in production for the next 26 years.
- Friden Electro-Mechanical Calculator, Model STW, 1949-1966 - Mechanical adding machines were indispensable office equipment used before the computer era. These devices were perfected by the American Arithmometer Company in 1886, spurred on by William Seward Burrough's desire to reduce drudgery in clerical arithmetic work. Transistors and electronic desktop calculators displaced adding machines in the 1950s; by the 1970s, microchips reduced calculators to the size of a shirt pocket.
- 1949-1966
- Collections - Artifact
Friden Electro-Mechanical Calculator, Model STW, 1949-1966
Mechanical adding machines were indispensable office equipment used before the computer era. These devices were perfected by the American Arithmometer Company in 1886, spurred on by William Seward Burrough's desire to reduce drudgery in clerical arithmetic work. Transistors and electronic desktop calculators displaced adding machines in the 1950s; by the 1970s, microchips reduced calculators to the size of a shirt pocket.
- Marchant Calculating Machine, Model 8D, circa 1935 - Mechanical adding machines were indispensable--and almost indestructible--office equipment used before the computer era. Marchant was the first American firm to specialize in calculators, which could perform at least the basic mathematical functions of addition, subtraction, multiplication and division; an improvement over two-function adding machines. Founded in 1911, Marchant was absorbed by Smith-Corona Co. in 1958.
- circa 1935
- Collections - Artifact
Marchant Calculating Machine, Model 8D, circa 1935
Mechanical adding machines were indispensable--and almost indestructible--office equipment used before the computer era. Marchant was the first American firm to specialize in calculators, which could perform at least the basic mathematical functions of addition, subtraction, multiplication and division; an improvement over two-function adding machines. Founded in 1911, Marchant was absorbed by Smith-Corona Co. in 1958.
- The Barrett Adding Machine, circa 1914 - Mechanical adding machines were indispensable office equipment used before the computer era. These devices were perfected by the American Arithmometer Company in 1886, spurred on by William Seward Burrough's desire to reduce drudgery in clerical arithmetic work. Transistors and electronic desktop calculators displaced adding machines in the 1950s; by the 1970s, microchips reduced calculators to the size of a shirt pocket.
- circa 1914
- Collections - Artifact
The Barrett Adding Machine, circa 1914
Mechanical adding machines were indispensable office equipment used before the computer era. These devices were perfected by the American Arithmometer Company in 1886, spurred on by William Seward Burrough's desire to reduce drudgery in clerical arithmetic work. Transistors and electronic desktop calculators displaced adding machines in the 1950s; by the 1970s, microchips reduced calculators to the size of a shirt pocket.
- Underwood Sundstrand Adding Machine, circa 1946 - Mechanical adding machines were indispensable office equipment used before the computer era. These devices were perfected by the American Arithmometer Company in 1886, spurred on by William Seward Burrough's desire to reduce drudgery in clerical arithmetic work. Transistors and electronic desktop calculators displaced adding machines in the 1950s; by the 1970s, microchips reduced calculators to the size of a shirt pocket.
- circa 1946
- Collections - Artifact
Underwood Sundstrand Adding Machine, circa 1946
Mechanical adding machines were indispensable office equipment used before the computer era. These devices were perfected by the American Arithmometer Company in 1886, spurred on by William Seward Burrough's desire to reduce drudgery in clerical arithmetic work. Transistors and electronic desktop calculators displaced adding machines in the 1950s; by the 1970s, microchips reduced calculators to the size of a shirt pocket.
- Burroughs "Magic Square Machine," circa 1950 -
- circa 1950
- Collections - Artifact
Burroughs "Magic Square Machine," circa 1950
- The National Geographic Magazine, Volume L, Number Three, September 1926 - On May 9, 1926, explorer Richard Byrd and pilot Floyd Bennett took off from Spitzbergen, Norway, on a round-trip flight toward the North Pole in the Fokker Tri-Motor <em>Josephine Ford</em>. Byrd recounted their journey in the September 1926 issue of <em>National Geographic</em>. Though Byrd is generally credited with success, controversy remains over whether he and Bennett reached the actual pole.
- September 01, 1926
- Collections - Artifact
The National Geographic Magazine, Volume L, Number Three, September 1926
On May 9, 1926, explorer Richard Byrd and pilot Floyd Bennett took off from Spitzbergen, Norway, on a round-trip flight toward the North Pole in the Fokker Tri-Motor Josephine Ford. Byrd recounted their journey in the September 1926 issue of National Geographic. Though Byrd is generally credited with success, controversy remains over whether he and Bennett reached the actual pole.