National Class 31 Bookkeeping Machine on Stand
date: label: date made
content: 1952
name: label: maker
content: National Cash Register Company
notes: label: Description
content: During the years immediately following World War II, demand for National Cash Register products boomed. In late 1949 the company introduced a new line of accounting machines, successors to the class 2000 and class 3000. It included the Class 31 and Class 32. This is an NCR Class 31 machine from 1952.
label: Description
content: The machine combines an electric typewriter at the front with an adding machine in the center. The adding machine has ten columns of digit keys and four columns of keys for indicating dates and types of transactions to the left of these. It has diverse function keys and bars.
label: Description
content: A wide variety of forms could be fed through the carriage at the back of the machine and printed out. A serrated metal bar is in front of the wide carriage and has 20-odd plastic and metal pieces clipped to it. Two other bars and a cover are loose with the machine.
label: Description
content: A mark above the typewriter keyboard reads: National. A metal label on the right side reads: 5025100 (/) SP-RB (/) 31-10-10(18)26. The first part of this mark is the serial number. The phrase “SP-RB” indicates that the machine has a split platen and an extra removable bar. The next numbers indicate that the machine is a Class 31 capable of printing ten totals and ten amount rows. The 18 signifies the style of the machine — one with a keyboard dater with months, days and years; five year and four symbol keys in row 11; and a typewriter keyboard.
label: Description
content: Accounting machines were used to prepare monthly statements, type checks, record payroll, and do general ledger work. This example was used at the Lansburgh department store in downtown Washington, D.C.
label: Description
content: References:
label: Description
content: NCR, <I>Reference Manual Class 31A Class 32A</I>, August, 1965, Montgomery County Historical Society, Dayton, Ohio.
label: Description
content: Accession File.
label: Location
content: Currently not on view
place: label: place made
content: United States: Ohio, Dayton
topic: label: Subject
content: Mathematics
label: Subject
content: Business
setName: label: See more items in
content: Medicine and Science: Mathematics
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content: Bookkeeping Machines
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content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of City Stores Company
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.334905
label: catalog number
content: 334905
label: maker number
content: 5025100
label: accession number
content: 314157
objectType: label: Object Name
content: bookkeeping machine with stand
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Physical Description
content: metal (overall material)
label: Physical Description
content: rubber (overall material)
label: Measurements
content: overall: 102 cm x 91 cm x 85 cm; 40 5/32 in x 35 13/16 in x 33 15/32 in