Marchant Model DRB8 Calculating Machine
date: label: date made
content: 1931
name: label: maker
content: Marchant Calculating Machine Company
notes: label: Description
content: This full-keyboard, non-printing electric duplex pinwheel calculating machine has a metal case painted black and eight columns of black and white color-coded plastic keys. A red clearance key is at the bottom of each column. The underlying keyboard is painted green. Between banks of keys are metal rods for decimal markers. Right of the number keys are red plastic ADD and CLEAR keys, as well as an unmarked red key. When the add key is depressed, the keyboard clears after each operation. Above the clear key are subtraction and addition bars. Right of these is a black lever for use in division. Left of the number keys is the switch for turning on the motor.
label: Description
content: In back of the keyboard is a movable carriage with two registers. The upper register has 13 dials and is used to find results as on a usual Marchant machine. The lower register has 15 dials and will total results obtained in the upper register if a lever on the left side of the carriage is set at T. Behind this are eight windows for showing digits entered, a lever that may be set at multiplication or division, and seven windows for the revolution register. There are two black keys next to the carriage to clear the registers, as well as a TOTAL CLEAR key to the left of the revolution register. A metal carriage shift handle is at the front, and the motor is at the back. The machine has a black cord.
label: Description
content: A metal plate attached to the left side of the machine reads: MARCHANT. A metal tag on the base has a tag with the serial number: DRB8-1157. Stamped on the base is the number 10060. A mark on the back top of the machine reads: MANUFACTURED FOR (/) THE (/) MARCHANT (/) CALCULATING (/) MACHINE CO. (/) SIMPLICITY (/) ACCURACY (/) SPEED. a metal tag on the motor reads: WESTINGHOUSE ELEC. & MFG. CO. Another mark on this tag reads: 139238.
label: Description
content: The style of the MARCHANT label on the side of the machine indicates that it dates before 1933.
label: Location
content: Currently not on view
place: label: place made
content: United States: California, Oakland
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Calculating Machines
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content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of Victor Comptometer Corporation
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.323610
label: catalog number
content: 323610
label: accession number
content: 250163
label: maker number
content: DRB8-1157
objectType: label: Object Name
content: calculating machine
physicalDescription: label: Physical Description
content: metal (overall material)
label: Physical Description
content: plastic (overall material)
label: Physical Description
content: rubber (overall material)
label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: 19 cm x 33 cm x 45.5 cm; 7 15/32 in x 13 in x 17 29/32 in