Description

This full-keyboard printing electric machine has a tan metal case and tan, brown and black keys. There are nine columns of keys with nine keys in each column, one column of seven keys (eighth fraction keys), one column of five function keys and two levers, and one column with addition and subtraction bars. A narrow carriage behind the keyboard has a plastic serrated edge for tearing the paper tape. The top lifts off for access to the ribbon and the printing mechanism. The machine has four rubber feet, and no cord.

The machine is marked above the keyboard: Burroughs. It is marked on a metal tag attached to the bottom: B3595. A red tag attached to it reads: PATENT DEPT. (/) #262. A metal tag attached to the object reads: DONATED TO (/) The Smithsonian Institution (/) by (/) Burroughs Corporation.

This is model #262 from the Patent Division of Burroughs Corporation.

The Burroughs series P400 adding machine was introduced in 1952.

Location

Currently not on view

Object Name

adding machine

date made

ca 1952

maker

Burroughs

place made

United States: Michigan, Detroit

Physical Description

plastic (overall material)

metal (overall material)

rubber (overall material)

paper (overall material)

Measurements

overall: 25.8 cm x 16 cm x 39.3 cm; 10 5/32 in x 6 5/16 in x 15 15/32 in

ID Number

1982.0794.63

catalog number

1982.0794.63

accession number

1982.0794

Credit Line

Gift of Burroughs Corporation

subject

Mathematics

See more items in

Medicine and Science: Mathematics

Science & Mathematics

Adding Machines

Data Source

National Museum of American History