Monroe Model LA5-160 Calculating Machine
date: label: date made
content: 1949
name: label: maker
content: Monroe Calculating Machine Company
notes: label: Description
content: This full-keyboard electric non-printing stepped drum calculating machine has a metal frame painted black, with the plate under the keyboard painted green. The eight columns of white and tan plastic number keys have nine keys in each column. Below each column is a tenth white key used for zeroing. Between the columns of keys, and under the green plate, are metal rods visible through windows in the plate which serve as decimal markers.
label: Description
content: To the right of the number keys are the subtraction and addition bars, a red button, and a red clearance key. Left of the keyboard is a lever. In back of the keyboard is the carriage, with 16 result dials and eight revolution register dials. The revolution register dials have the digits 1 to 9 in red and 0 to 9 in black. There is a crank for clearing the registers on the carriage on its right side and another one for shifting the carriage at the front. The machine has four rubber feet.
label: Description
content: A mark on the front of the object reads: Monroe. A tag on the right side reads: LA5-160 (/) 472869
label: Description
content: Compare MA.335424 and MA.335235. The Monroe LA5-160 was introduced in 1932.
label: Description
content: References:
label: Description
content: <I>Business Equipment Topics</I>, vol. 81, July, 1932, p. 14, 16.
label: Description
content: National Office Machine Dealer’s Association, <I>Blue Book</I>, May, 1975, as compiled by Office Machine Americana, January, 2002.
label: Description
content: Monroe Calculating Machine Company, “Monroe High Speed Adding-Calculator,” Publication 780-A. This is a notebook with advertising descriptions of several Monroe calculating machines.
label: Description
content: <I>Business Equipment Topics</I>, vol. 81, July, 1932, p. 14, 16.
label: Location
content: Currently not on view
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 Richard G. Freeze
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.334385
label: catalog number
content: 334385
label: maker number
content: LA5-160 472869
label: accession number
content: 311886
objectType: label: Object Name
content: calculating machine
physicalDescription: label: Physical Description
content: steel (overall material)
label: Physical Description
content: rubber (overall material)
label: Physical Description
content: plastic (overall material)
label: Measurements
content: overall: 16.5 cm x 29 cm x 28.5 cm; 6 1/2 in x 11 13/32 in x 11 7/32 in