Archimedes Model D-16 Calculating Macnine
date: label: date made
content: ca 1915
name: label: maker
content: Reinhold Pöthig
notes: label: Description
content: This manually operated full-keyboard stepped drum calculating machine has a steel frame painted black and nine columns of color-coded black and white plastic keys, with nine keys in each column. There is a zeroing lever at the base of each column and a zeroing bar on the right side. A row of nine dials above the keys shows the number entered.
label: Description
content: Behind this is the carriage with a row of 16 dials for recording results and nine dials for registering revolutions. All three registers have bars with sliding decimal markers. Ther operating crank is on the right. Zeroing levers for the two carriage registers are on the right side of the carriage. A bell rings when the result passes through zero. The lever for setting the machine for addition and multiplication or subtraction and division is on the left, below the carriage. The machine has two rubber feet at the back which hold it up at an angle. The case has no underside. The stepped drums are of brass, cut away to include only the gears. They wrap around black cylinders.
label: Description
content: A mark on the front of the machine reads: „Archimedes”. A mark on the sloping face reads: „Archimedes” (/) Patent (/) Reinhold Pöthig (/) Glashütte, Sa. A metal tag attached to the right side reads: P-2066.
label: Description
content: According to Martin, the Model D (key-driven) Archimedes was introduced in 1915. This example is from the collection of L. Leland Locke.
label: Description
content: Reference:
label: Description
content: E. Martin, <I>The Calculating Machines (Die Rechenmaschinen)</I>, trans. P. A. Kidwell and M. R. Williams, Cambridge: MIT Press, 1992, pp. 181–184.
label: Location
content: Currently not on view
place: label: place made
content: Germany: Saxony, Glashütte
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 L. Leland Locke
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.311951
label: catalog number
content: 311951
label: accession number
content: 155183
label: maker number
content: P-2066
objectType: label: Object Name
content: calculating machine
physicalDescription: label: Physical Description
content: brass (overall material)
label: Physical Description
content: steel (overall material)
label: Physical Description
content: plastic (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 19.6 cm x 43.5 cm x 19.5 cm; 7 23/32 in x 17 1/8 in x 7 11/16 in