Direct II Adding Machine by Muggli
date: label: date made
content: ca 1930
name: label: distributor
content: Muggli, Theo
label: maker
content: Muggli, Theo
notes: label: Description
content: This full keyboard non-printing adding machine has ten columns of keys, with nine keys per column. The keys are colored black and white according to the place value of the digits. The black keys are round, the white keys are polygonal. At the top are 11 windows that show the result. These windows are covered by a single piece of glass. Two decimal markers slide in front of these windows. A zeroing lever is on the right side. Red plastic function keys are to the right and the left of the keyboard.
label: Description
content: The machine is marked on the top: DIRECT II. It is marked at the front: THEO MUGGLI ZURICH (/) MADE IN SWITZERLAND PROTECTED BY PATENTS. The serial number, on the bottom at the front, is 20146. This object was number 23 in the Felt & Tarrant collection of adding and calculating machines. Manufacture of the Direct II began in the 1920s or 1930s.
label: Description
content: Reference:
label: Description
content: “Theo Muggli Passes Away,” <I>Business Equipment Topics</I>, 84 (June, 1933): p. 22.
label: Location
content: Currently not on view
place: label: place made
content: Switzerland: Zürich, Zurich
label: place distributed
content: Switzerland: Zürich, Zurich
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Adding 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.323607
label: accession number
content: 250163
label: catalog number
content: 323607
objectType: label: Object Name
content: adding machine
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Physical Description
content: steel (overall material)
label: Physical Description
content: glass (overall material)
label: Physical Description
content: brass (overall material)
label: Physical Description
content: rubber (overall material)
label: Measurements
content: overall: 16.5 cm x 30 cm x 40 cm; 6 1/2 in x 11 13/16 in x 15 3/4 in